./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:22:24,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:22:24,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:22:24,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:22:24,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:22:24,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:22:24,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:22:24,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:22:24,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:22:24,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:22:24,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:22:24,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:22:24,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:22:24,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:22:24,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:22:24,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:22:24,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:22:24,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:22:24,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:22:24,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:22:24,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:22:24,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:22:24,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:22:24,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:22:24,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:22:24,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:22:24,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:22:24,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:22:24,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:22:24,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:22:24,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:22:24,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:22:24,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:22:24,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:22:24,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:22:24,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:22:24,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:22:24,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:22:24,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:22:24,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:22:24,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:22:24,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:22:25,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:22:25,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:22:25,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:22:25,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:22:25,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:22:25,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:22:25,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:22:25,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:22:25,015 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:22:25,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:22:25,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:22:25,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:22:25,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:22:25,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:22:25,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:22:25,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:22:25,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:22:25,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:22:25,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:22:25,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:22:25,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:22:25,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:22:25,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:22:25,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:22:25,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:22:25,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:22:25,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:22:25,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:22:25,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:22:25,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:22:25,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:22:25,019 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2021-12-21 16:22:25,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:22:25,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:22:25,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:22:25,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:22:25,246 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:22:25,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:22:25,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463905126/eb3c7f64b5a342d5bb7255972ea05938/FLAG775279cb4 [2021-12-21 16:22:25,811 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:22:25,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:22:25,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463905126/eb3c7f64b5a342d5bb7255972ea05938/FLAG775279cb4 [2021-12-21 16:22:26,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463905126/eb3c7f64b5a342d5bb7255972ea05938 [2021-12-21 16:22:26,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:22:26,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:22:26,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:22:26,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:22:26,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:22:26,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:22:26" (1/1) ... [2021-12-21 16:22:26,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de9b981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:26, skipping insertion in model container [2021-12-21 16:22:26,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:22:26" (1/1) ... [2021-12-21 16:22:26,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:22:26,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:22:26,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-12-21 16:22:26,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:22:26,991 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:22:27,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-12-21 16:22:27,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:22:27,223 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:22:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27 WrapperNode [2021-12-21 16:22:27,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:22:27,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:22:27,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:22:27,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:22:27,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,350 INFO L137 Inliner]: procedures = 142, calls = 521, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1657 [2021-12-21 16:22:27,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:22:27,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:22:27,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:22:27,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:22:27,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:22:27,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:22:27,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:22:27,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:22:27,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (1/1) ... [2021-12-21 16:22:27,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:22:27,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:22:27,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:22:27,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:22:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2021-12-21 16:22:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2021-12-21 16:22:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2021-12-21 16:22:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2021-12-21 16:22:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:22:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:22:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:22:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:22:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:22:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2021-12-21 16:22:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2021-12-21 16:22:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-12-21 16:22:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-12-21 16:22:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:22:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:22:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-12-21 16:22:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-12-21 16:22:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2021-12-21 16:22:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2021-12-21 16:22:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:22:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:22:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:22:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:22:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:22:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:22:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:22:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2021-12-21 16:22:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2021-12-21 16:22:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:22:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:22:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:22:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:22:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:22:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:22:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:22:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:22:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:22:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:22:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2021-12-21 16:22:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2021-12-21 16:22:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:22:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:22:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:22:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:22:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2021-12-21 16:22:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2021-12-21 16:22:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-12-21 16:22:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-12-21 16:22:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:22:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:22:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:22:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:22:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:22:27,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:22:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:22:27,590 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-21 16:22:27,590 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-21 16:22:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2021-12-21 16:22:27,591 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2021-12-21 16:22:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:22:27,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:22:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:22:27,592 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:22:27,592 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:22:27,918 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:22:27,920 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:22:28,307 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:22:28,776 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:22:28,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:22:28,783 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:22:28,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:22:28 BoogieIcfgContainer [2021-12-21 16:22:28,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:22:28,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:22:28,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:22:28,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:22:28,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:22:26" (1/3) ... [2021-12-21 16:22:28,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2f574f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:22:28, skipping insertion in model container [2021-12-21 16:22:28,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:27" (2/3) ... [2021-12-21 16:22:28,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2f574f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:22:28, skipping insertion in model container [2021-12-21 16:22:28,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:22:28" (3/3) ... [2021-12-21 16:22:28,791 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:22:28,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:22:28,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:22:28,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:22:28,828 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:22:28,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:22:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 458 states, 347 states have (on average 1.2910662824207493) internal successors, (448), 359 states have internal predecessors, (448), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2021-12-21 16:22:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-21 16:22:28,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:28,861 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:28,861 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:28,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:28,866 INFO L85 PathProgramCache]: Analyzing trace with hash -552855411, now seen corresponding path program 1 times [2021-12-21 16:22:28,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:28,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235990607] [2021-12-21 16:22:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:28,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 16:22:29,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:29,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235990607] [2021-12-21 16:22:29,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235990607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:29,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:29,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:22:29,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037334268] [2021-12-21 16:22:29,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:29,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:22:29,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:29,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:22:29,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:22:29,288 INFO L87 Difference]: Start difference. First operand has 458 states, 347 states have (on average 1.2910662824207493) internal successors, (448), 359 states have internal predecessors, (448), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-21 16:22:30,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:30,675 INFO L93 Difference]: Finished difference Result 1516 states and 2132 transitions. [2021-12-21 16:22:30,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:22:30,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2021-12-21 16:22:30,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:30,703 INFO L225 Difference]: With dead ends: 1516 [2021-12-21 16:22:30,703 INFO L226 Difference]: Without dead ends: 1029 [2021-12-21 16:22:30,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:22:30,729 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 1103 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:30,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1179 Valid, 1984 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-21 16:22:30,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-12-21 16:22:30,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 836. [2021-12-21 16:22:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 641 states have (on average 1.2620904836193447) internal successors, (809), 650 states have internal predecessors, (809), 149 states have call successors, (149), 46 states have call predecessors, (149), 45 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2021-12-21 16:22:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1105 transitions. [2021-12-21 16:22:30,822 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1105 transitions. Word has length 46 [2021-12-21 16:22:30,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:30,823 INFO L470 AbstractCegarLoop]: Abstraction has 836 states and 1105 transitions. [2021-12-21 16:22:30,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-21 16:22:30,823 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1105 transitions. [2021-12-21 16:22:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-21 16:22:30,825 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:30,825 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:30,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:22:30,826 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:30,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:30,826 INFO L85 PathProgramCache]: Analyzing trace with hash 95226783, now seen corresponding path program 1 times [2021-12-21 16:22:30,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:30,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852618425] [2021-12-21 16:22:30,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:30,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:30,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:30,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-21 16:22:30,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:30,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852618425] [2021-12-21 16:22:30,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852618425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:30,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:30,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:22:30,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161594324] [2021-12-21 16:22:30,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:30,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:22:30,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:30,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:22:30,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:22:30,980 INFO L87 Difference]: Start difference. First operand 836 states and 1105 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-21 16:22:31,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:31,918 INFO L93 Difference]: Finished difference Result 2018 states and 2763 transitions. [2021-12-21 16:22:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:22:31,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 5 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 49 [2021-12-21 16:22:31,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:31,932 INFO L225 Difference]: With dead ends: 2018 [2021-12-21 16:22:31,932 INFO L226 Difference]: Without dead ends: 2009 [2021-12-21 16:22:31,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:22:31,935 INFO L933 BasicCegarLoop]: 617 mSDtfsCounter, 1366 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 770 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:31,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1443 Valid, 1426 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [770 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-21 16:22:31,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2021-12-21 16:22:32,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 1633. [2021-12-21 16:22:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1633 states, 1254 states have (on average 1.2615629984051038) internal successors, (1582), 1271 states have internal predecessors, (1582), 289 states have call successors, (289), 90 states have call predecessors, (289), 89 states have return successors, (287), 287 states have call predecessors, (287), 287 states have call successors, (287) [2021-12-21 16:22:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1633 states and 2158 transitions. [2021-12-21 16:22:32,020 INFO L78 Accepts]: Start accepts. Automaton has 1633 states and 2158 transitions. Word has length 49 [2021-12-21 16:22:32,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:32,021 INFO L470 AbstractCegarLoop]: Abstraction has 1633 states and 2158 transitions. [2021-12-21 16:22:32,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-21 16:22:32,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 2158 transitions. [2021-12-21 16:22:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-21 16:22:32,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:32,027 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:32,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:22:32,027 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:32,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1803513478, now seen corresponding path program 1 times [2021-12-21 16:22:32,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:32,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891107610] [2021-12-21 16:22:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:32,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 16:22:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 16:22:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-21 16:22:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:22:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 16:22:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-21 16:22:32,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:32,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891107610] [2021-12-21 16:22:32,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891107610] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:32,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:32,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:22:32,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637892490] [2021-12-21 16:22:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:32,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:22:32,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:32,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:22:32,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:22:32,160 INFO L87 Difference]: Start difference. First operand 1633 states and 2158 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:22:33,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:33,538 INFO L93 Difference]: Finished difference Result 6006 states and 8246 transitions. [2021-12-21 16:22:33,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:22:33,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 110 [2021-12-21 16:22:33,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:33,564 INFO L225 Difference]: With dead ends: 6006 [2021-12-21 16:22:33,564 INFO L226 Difference]: Without dead ends: 4387 [2021-12-21 16:22:33,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:22:33,571 INFO L933 BasicCegarLoop]: 610 mSDtfsCounter, 1713 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 1123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 1824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1123 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:33,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1801 Valid, 1714 Invalid, 1824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1123 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-21 16:22:33,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2021-12-21 16:22:33,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 3023. [2021-12-21 16:22:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3023 states, 2312 states have (on average 1.258650519031142) internal successors, (2910), 2345 states have internal predecessors, (2910), 535 states have call successors, (535), 176 states have call predecessors, (535), 175 states have return successors, (533), 533 states have call predecessors, (533), 533 states have call successors, (533) [2021-12-21 16:22:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 3023 states and 3978 transitions. [2021-12-21 16:22:33,696 INFO L78 Accepts]: Start accepts. Automaton has 3023 states and 3978 transitions. Word has length 110 [2021-12-21 16:22:33,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:33,697 INFO L470 AbstractCegarLoop]: Abstraction has 3023 states and 3978 transitions. [2021-12-21 16:22:33,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-21 16:22:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3023 states and 3978 transitions. [2021-12-21 16:22:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-21 16:22:33,701 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:33,701 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:33,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:22:33,702 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:33,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:33,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1431908567, now seen corresponding path program 1 times [2021-12-21 16:22:33,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:33,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793508224] [2021-12-21 16:22:33,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:33,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:22:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 16:22:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-21 16:22:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 16:22:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-21 16:22:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:22:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 16:22:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-12-21 16:22:33,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:33,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793508224] [2021-12-21 16:22:33,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793508224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:33,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:33,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 16:22:33,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914230356] [2021-12-21 16:22:33,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:33,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 16:22:33,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:33,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 16:22:33,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:22:33,875 INFO L87 Difference]: Start difference. First operand 3023 states and 3978 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:22:34,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:34,943 INFO L93 Difference]: Finished difference Result 7395 states and 10067 transitions. [2021-12-21 16:22:34,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 16:22:34,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 153 [2021-12-21 16:22:34,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:34,999 INFO L225 Difference]: With dead ends: 7395 [2021-12-21 16:22:34,999 INFO L226 Difference]: Without dead ends: 4390 [2021-12-21 16:22:35,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:22:35,009 INFO L933 BasicCegarLoop]: 546 mSDtfsCounter, 447 mSDsluCounter, 1873 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:35,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [475 Valid, 2419 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 16:22:35,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2021-12-21 16:22:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 3026. [2021-12-21 16:22:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3026 states, 2315 states have (on average 1.257451403887689) internal successors, (2911), 2348 states have internal predecessors, (2911), 535 states have call successors, (535), 176 states have call predecessors, (535), 175 states have return successors, (533), 533 states have call predecessors, (533), 533 states have call successors, (533) [2021-12-21 16:22:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 3026 states and 3979 transitions. [2021-12-21 16:22:35,112 INFO L78 Accepts]: Start accepts. Automaton has 3026 states and 3979 transitions. Word has length 153 [2021-12-21 16:22:35,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:35,113 INFO L470 AbstractCegarLoop]: Abstraction has 3026 states and 3979 transitions. [2021-12-21 16:22:35,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:22:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 3979 transitions. [2021-12-21 16:22:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-21 16:22:35,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:35,116 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:35,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:22:35,117 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:35,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:35,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2072432622, now seen corresponding path program 1 times [2021-12-21 16:22:35,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:35,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526094805] [2021-12-21 16:22:35,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:35,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:22:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:22:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 16:22:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:22:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 16:22:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 16:22:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 16:22:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-21 16:22:35,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:35,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526094805] [2021-12-21 16:22:35,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526094805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:35,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:22:35,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 16:22:35,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996314921] [2021-12-21 16:22:35,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:35,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 16:22:35,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:35,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 16:22:35,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:22:35,371 INFO L87 Difference]: Start difference. First operand 3026 states and 3979 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:22:36,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:36,618 INFO L93 Difference]: Finished difference Result 7388 states and 10051 transitions. [2021-12-21 16:22:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 16:22:36,619 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 154 [2021-12-21 16:22:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:36,647 INFO L225 Difference]: With dead ends: 7388 [2021-12-21 16:22:36,647 INFO L226 Difference]: Without dead ends: 4382 [2021-12-21 16:22:36,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:22:36,695 INFO L933 BasicCegarLoop]: 546 mSDtfsCounter, 339 mSDsluCounter, 2601 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:36,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [367 Valid, 3147 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 16:22:36,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2021-12-21 16:22:36,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 3030. [2021-12-21 16:22:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 2317 states have (on average 1.2572291756581786) internal successors, (2913), 2352 states have internal predecessors, (2913), 535 states have call successors, (535), 176 states have call predecessors, (535), 177 states have return successors, (549), 533 states have call predecessors, (549), 533 states have call successors, (549) [2021-12-21 16:22:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3997 transitions. [2021-12-21 16:22:36,831 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3997 transitions. Word has length 154 [2021-12-21 16:22:36,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:36,832 INFO L470 AbstractCegarLoop]: Abstraction has 3030 states and 3997 transitions. [2021-12-21 16:22:36,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-21 16:22:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3997 transitions. [2021-12-21 16:22:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-21 16:22:36,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:36,839 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:36,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 16:22:36,839 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:36,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:36,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2085975844, now seen corresponding path program 1 times [2021-12-21 16:22:36,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:36,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335975880] [2021-12-21 16:22:36,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:36,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:22:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-21 16:22:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 16:22:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 16:22:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:22:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 16:22:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:22:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:22:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 16:22:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:22:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-21 16:22:37,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:37,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335975880] [2021-12-21 16:22:37,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335975880] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:22:37,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277947022] [2021-12-21 16:22:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:37,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:22:37,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:22:37,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:22:37,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 16:22:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:37,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-21 16:22:37,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:22:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-21 16:22:37,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 16:22:37,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277947022] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:22:37,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 16:22:37,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2021-12-21 16:22:37,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796780824] [2021-12-21 16:22:37,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:22:37,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:22:37,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:37,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:22:37,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-21 16:22:37,738 INFO L87 Difference]: Start difference. First operand 3030 states and 3997 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-21 16:22:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:37,852 INFO L93 Difference]: Finished difference Result 6048 states and 7982 transitions. [2021-12-21 16:22:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:22:37,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2021-12-21 16:22:37,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:37,865 INFO L225 Difference]: With dead ends: 6048 [2021-12-21 16:22:37,865 INFO L226 Difference]: Without dead ends: 3031 [2021-12-21 16:22:37,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-12-21 16:22:37,876 INFO L933 BasicCegarLoop]: 577 mSDtfsCounter, 3 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:37,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1726 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 16:22:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3031 states. [2021-12-21 16:22:37,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3031 to 3031. [2021-12-21 16:22:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 2318 states have (on average 1.2571182053494392) internal successors, (2914), 2353 states have internal predecessors, (2914), 535 states have call successors, (535), 176 states have call predecessors, (535), 177 states have return successors, (549), 533 states have call predecessors, (549), 533 states have call successors, (549) [2021-12-21 16:22:37,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 3998 transitions. [2021-12-21 16:22:37,963 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 3998 transitions. Word has length 175 [2021-12-21 16:22:37,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:37,964 INFO L470 AbstractCegarLoop]: Abstraction has 3031 states and 3998 transitions. [2021-12-21 16:22:37,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-21 16:22:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 3998 transitions. [2021-12-21 16:22:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-21 16:22:37,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:37,968 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:38,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 16:22:38,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-21 16:22:38,189 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:38,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2062309340, now seen corresponding path program 1 times [2021-12-21 16:22:38,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:38,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64884442] [2021-12-21 16:22:38,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:38,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 16:22:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:22:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:22:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 16:22:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 16:22:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 16:22:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:22:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:22:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 16:22:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 16:22:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-21 16:22:38,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:38,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64884442] [2021-12-21 16:22:38,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64884442] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:22:38,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130588256] [2021-12-21 16:22:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:38,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:22:38,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:22:38,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:22:38,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 16:22:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:38,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-21 16:22:38,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:22:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-21 16:22:39,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 16:22:39,457 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-21 16:22:39,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130588256] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 16:22:39,457 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 16:22:39,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 5] total 16 [2021-12-21 16:22:39,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875380085] [2021-12-21 16:22:39,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 16:22:39,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-21 16:22:39,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:39,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-21 16:22:39,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-12-21 16:22:39,459 INFO L87 Difference]: Start difference. First operand 3031 states and 3998 transitions. Second operand has 16 states, 16 states have (on average 8.0625) internal successors, (129), 12 states have internal predecessors, (129), 2 states have call successors, (38), 6 states have call predecessors, (38), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-21 16:22:40,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:40,971 INFO L93 Difference]: Finished difference Result 7410 states and 10089 transitions. [2021-12-21 16:22:40,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-21 16:22:40,971 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.0625) internal successors, (129), 12 states have internal predecessors, (129), 2 states have call successors, (38), 6 states have call predecessors, (38), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 177 [2021-12-21 16:22:40,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:41,014 INFO L225 Difference]: With dead ends: 7410 [2021-12-21 16:22:41,015 INFO L226 Difference]: Without dead ends: 4389 [2021-12-21 16:22:41,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2021-12-21 16:22:41,039 INFO L933 BasicCegarLoop]: 544 mSDtfsCounter, 480 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:41,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 4352 Invalid, 1911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-21 16:22:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4389 states. [2021-12-21 16:22:41,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4389 to 3041. [2021-12-21 16:22:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 2327 states have (on average 1.2565535023635583) internal successors, (2924), 2362 states have internal predecessors, (2924), 535 states have call successors, (535), 177 states have call predecessors, (535), 178 states have return successors, (549), 533 states have call predecessors, (549), 533 states have call successors, (549) [2021-12-21 16:22:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4008 transitions. [2021-12-21 16:22:41,260 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4008 transitions. Word has length 177 [2021-12-21 16:22:41,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:41,261 INFO L470 AbstractCegarLoop]: Abstraction has 3041 states and 4008 transitions. [2021-12-21 16:22:41,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.0625) internal successors, (129), 12 states have internal predecessors, (129), 2 states have call successors, (38), 6 states have call predecessors, (38), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-21 16:22:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4008 transitions. [2021-12-21 16:22:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-21 16:22:41,266 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:41,266 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:41,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 16:22:41,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-21 16:22:41,485 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:41,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:41,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1611807748, now seen corresponding path program 2 times [2021-12-21 16:22:41,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:41,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528096734] [2021-12-21 16:22:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:41,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 16:22:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 16:22:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 16:22:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 16:22:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 16:22:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 16:22:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:22:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:22:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 16:22:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 16:22:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-21 16:22:41,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:41,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528096734] [2021-12-21 16:22:41,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528096734] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:22:41,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142589714] [2021-12-21 16:22:41,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 16:22:41,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:22:41,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:22:41,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:22:41,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 16:22:42,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 16:22:42,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 16:22:42,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-21 16:22:42,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:22:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 55 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-12-21 16:22:42,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 16:22:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-21 16:22:43,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142589714] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 16:22:43,036 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 16:22:43,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 17 [2021-12-21 16:22:43,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073921880] [2021-12-21 16:22:43,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 16:22:43,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-21 16:22:43,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:43,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-21 16:22:43,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-12-21 16:22:43,037 INFO L87 Difference]: Start difference. First operand 3041 states and 4008 transitions. Second operand has 17 states, 17 states have (on average 7.764705882352941) internal successors, (132), 13 states have internal predecessors, (132), 2 states have call successors, (39), 6 states have call predecessors, (39), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 16:22:44,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:44,816 INFO L93 Difference]: Finished difference Result 7417 states and 10095 transitions. [2021-12-21 16:22:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-21 16:22:44,817 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.764705882352941) internal successors, (132), 13 states have internal predecessors, (132), 2 states have call successors, (39), 6 states have call predecessors, (39), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 181 [2021-12-21 16:22:44,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:44,850 INFO L225 Difference]: With dead ends: 7417 [2021-12-21 16:22:44,850 INFO L226 Difference]: Without dead ends: 4393 [2021-12-21 16:22:44,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2021-12-21 16:22:44,874 INFO L933 BasicCegarLoop]: 544 mSDtfsCounter, 472 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 3333 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:44,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [500 Valid, 3333 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-21 16:22:44,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2021-12-21 16:22:44,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 3045. [2021-12-21 16:22:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 2331 states have (on average 1.2561132561132562) internal successors, (2928), 2366 states have internal predecessors, (2928), 535 states have call successors, (535), 177 states have call predecessors, (535), 178 states have return successors, (549), 533 states have call predecessors, (549), 533 states have call successors, (549) [2021-12-21 16:22:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 4012 transitions. [2021-12-21 16:22:45,008 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 4012 transitions. Word has length 181 [2021-12-21 16:22:45,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:45,008 INFO L470 AbstractCegarLoop]: Abstraction has 3045 states and 4012 transitions. [2021-12-21 16:22:45,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.764705882352941) internal successors, (132), 13 states have internal predecessors, (132), 2 states have call successors, (39), 6 states have call predecessors, (39), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 16:22:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4012 transitions. [2021-12-21 16:22:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-21 16:22:45,013 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:45,013 INFO L514 BasicCegarLoop]: trace histogram [10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:45,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 16:22:45,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:22:45,231 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:45,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:45,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1177636028, now seen corresponding path program 3 times [2021-12-21 16:22:45,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:45,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819742739] [2021-12-21 16:22:45,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:45,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 16:22:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:22:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 16:22:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 16:22:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:22:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:22:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 16:22:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 16:22:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:22:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:22:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 16:22:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:22:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 16:22:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:22:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:22:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-21 16:22:45,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:22:45,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819742739] [2021-12-21 16:22:45,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819742739] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 16:22:45,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938014478] [2021-12-21 16:22:45,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-21 16:22:45,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:22:45,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:22:45,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 16:22:45,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 16:22:47,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-12-21 16:22:47,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 16:22:47,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-21 16:22:47,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 16:22:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 75 proven. 21 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-12-21 16:22:47,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 16:22:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-21 16:22:48,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938014478] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 16:22:48,217 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 16:22:48,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 29 [2021-12-21 16:22:48,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403026041] [2021-12-21 16:22:48,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 16:22:48,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-21 16:22:48,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:22:48,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-21 16:22:48,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-12-21 16:22:48,219 INFO L87 Difference]: Start difference. First operand 3045 states and 4012 transitions. Second operand has 29 states, 29 states have (on average 4.9655172413793105) internal successors, (144), 25 states have internal predecessors, (144), 2 states have call successors, (39), 6 states have call predecessors, (39), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 16:22:50,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:22:50,154 INFO L93 Difference]: Finished difference Result 7427 states and 10106 transitions. [2021-12-21 16:22:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-21 16:22:50,155 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.9655172413793105) internal successors, (144), 25 states have internal predecessors, (144), 2 states have call successors, (39), 6 states have call predecessors, (39), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 185 [2021-12-21 16:22:50,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:22:50,179 INFO L225 Difference]: With dead ends: 7427 [2021-12-21 16:22:50,179 INFO L226 Difference]: Without dead ends: 4403 [2021-12-21 16:22:50,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=452, Invalid=1710, Unknown=0, NotChecked=0, Total=2162 [2021-12-21 16:22:50,191 INFO L933 BasicCegarLoop]: 547 mSDtfsCounter, 667 mSDsluCounter, 3961 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 589 IncrementalHoareTripleChecker+Valid, 1609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:22:50,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [695 Valid, 4508 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [589 Valid, 1609 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-21 16:22:50,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2021-12-21 16:22:50,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 3049. [2021-12-21 16:22:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3049 states, 2335 states have (on average 1.25610278372591) internal successors, (2933), 2370 states have internal predecessors, (2933), 535 states have call successors, (535), 177 states have call predecessors, (535), 178 states have return successors, (549), 533 states have call predecessors, (549), 533 states have call successors, (549) [2021-12-21 16:22:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 3049 states and 4017 transitions. [2021-12-21 16:22:50,302 INFO L78 Accepts]: Start accepts. Automaton has 3049 states and 4017 transitions. Word has length 185 [2021-12-21 16:22:50,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:22:50,303 INFO L470 AbstractCegarLoop]: Abstraction has 3049 states and 4017 transitions. [2021-12-21 16:22:50,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.9655172413793105) internal successors, (144), 25 states have internal predecessors, (144), 2 states have call successors, (39), 6 states have call predecessors, (39), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-21 16:22:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states and 4017 transitions. [2021-12-21 16:22:50,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-21 16:22:50,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:22:50,309 INFO L514 BasicCegarLoop]: trace histogram [12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:50,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 16:22:50,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 16:22:50,518 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:22:50,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:22:50,518 INFO L85 PathProgramCache]: Analyzing trace with hash -53138148, now seen corresponding path program 4 times [2021-12-21 16:22:50,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:22:50,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903206698] [2021-12-21 16:22:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:22:50,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:22:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 16:22:50,704 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 16:22:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 16:22:50,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 16:22:50,929 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 16:22:50,930 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 16:22:50,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 16:22:50,933 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2021-12-21 16:22:50,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 16:22:50,950 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,950 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,951 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,951 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,951 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,951 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,951 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,952 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,952 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,952 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,952 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,952 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,953 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,953 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,953 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,953 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,953 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,954 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,954 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,954 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,954 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,954 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,955 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,955 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,955 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,955 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,955 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,955 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,956 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,956 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,956 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,956 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,956 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,957 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,957 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,957 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,957 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,957 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,957 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,958 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,958 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,958 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,958 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,958 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,958 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:50,958 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,959 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-21 16:22:50,959 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-21 16:22:51,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 04:22:51 BoogieIcfgContainer [2021-12-21 16:22:51,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 16:22:51,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 16:22:51,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 16:22:51,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 16:22:51,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:22:28" (3/4) ... [2021-12-21 16:22:51,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 16:22:51,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 16:22:51,048 INFO L158 Benchmark]: Toolchain (without parser) took 24726.99ms. Allocated memory was 96.5MB in the beginning and 608.2MB in the end (delta: 511.7MB). Free memory was 72.1MB in the beginning and 433.5MB in the end (delta: -361.4MB). Peak memory consumption was 149.4MB. Max. memory is 16.1GB. [2021-12-21 16:22:51,048 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 16:22:51,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.01ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 71.8MB in the beginning and 61.7MB in the end (delta: 10.1MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2021-12-21 16:22:51,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.69ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 51.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 16:22:51,049 INFO L158 Benchmark]: Boogie Preprocessor took 120.46ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 69.0MB in the end (delta: -17.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-21 16:22:51,049 INFO L158 Benchmark]: RCFGBuilder took 1313.05ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 69.0MB in the beginning and 74.0MB in the end (delta: -5.0MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-12-21 16:22:51,049 INFO L158 Benchmark]: TraceAbstraction took 22258.02ms. Allocated memory was 151.0MB in the beginning and 608.2MB in the end (delta: 457.2MB). Free memory was 73.1MB in the beginning and 433.5MB in the end (delta: -360.3MB). Peak memory consumption was 280.9MB. Max. memory is 16.1GB. [2021-12-21 16:22:51,049 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 608.2MB. Free memory is still 433.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 16:22:51,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.01ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 71.8MB in the beginning and 61.7MB in the end (delta: 10.1MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.69ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 51.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.46ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 69.0MB in the end (delta: -17.6MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1313.05ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 69.0MB in the beginning and 74.0MB in the end (delta: -5.0MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * TraceAbstraction took 22258.02ms. Allocated memory was 151.0MB in the beginning and 608.2MB in the end (delta: 457.2MB). Free memory was 73.1MB in the beginning and 433.5MB in the end (delta: -360.3MB). Peak memory consumption was 280.9MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 608.2MB. Free memory is still 433.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * 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: 4236]: 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 4030. Possible FailurePath: [L3355] int LDV_IN_INTERRUPT = 1; [L3356] struct block_device *virtblk_fops_group0 ; [L3357] int ldv_state_variable_2 ; [L3358] int ref_cnt ; [L3359] int ldv_state_variable_1 ; [L3360] struct virtio_device *virtio_blk_group0 ; [L3361] int ldv_state_variable_0 ; [L3492] static int major ; [L3493] static int index ; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4047] struct virtio_device_id const __mod_virtio_device_table ; [L4048] int ldv_retval_0 ; [L4049] int ldv_retval_1 ; [L4283] int ldv_blk_rq = 0; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4072] unsigned long ldvarg1 ; [L4073] fmode_t ldvarg3 ; [L4074] struct hd_geometry *ldvarg0 ; [L4075] void *tmp ; [L4076] unsigned int ldvarg2 ; [L4077] int tmp___0 ; [L4078] int tmp___1 ; [L4079] int tmp___2 ; [L4080] int tmp___3 ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={36893488147419103235:0}, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] CALL, EXPR ldv_init_zalloc(16UL) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, size=16, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18446744073709551617:0}, ref_cnt=0, size=16, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18446744073709551617:0}, ref_cnt=0, size=16, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [\old(size)=16, \result={18446744073709551617:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18446744073709551617:0}, ref_cnt=0, size=16, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] RET, EXPR ldv_init_zalloc(16UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(16UL)={18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={36893488147419103235:0}, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] tmp = ldv_init_zalloc(16UL) [L4083] ldvarg0 = (struct hd_geometry *)tmp [L4084] FCALL ldv_initialize() [L4085] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={36893488147419103235:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, c=0, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, n=8, ref_cnt=0, s={36893488147419103235:0}, s={36893488147419103235:0}, tmp={36893488147419103235:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4085] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={36893488147419103235:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4086] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103248:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, c=0, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, n=4, ref_cnt=0, s={36893488147419103248:0}, s={36893488147419103248:0}, tmp={36893488147419103248:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4086] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 4UL)={36893488147419103248:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4087] ldvarg2 = __VERIFIER_nondet_ulong () [L4088] ldv_state_variable_1 = 0 [L4089] ref_cnt = 0 [L4090] ldv_state_variable_0 = 1 [L4091] ldv_state_variable_2 = 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: [L4137] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4138] COND TRUE ldv_state_variable_0 == 1 [L4139] CALL, EXPR init() [L4028] int tmp ; [L4030] CALL, EXPR register_blkdev(0U, "virtblk") [L4472] return __VERIFIER_nondet_int(); [L4030] RET, EXPR register_blkdev(0U, "virtblk") [L4030] major = register_blkdev(0U, "virtblk") [L4031] COND FALSE !(major < 0) [L4035] CALL, EXPR register_virtio_driver(& virtio_blk) [L4476] return __VERIFIER_nondet_int(); [L4035] RET, EXPR register_virtio_driver(& virtio_blk) [L4035] tmp = register_virtio_driver(& virtio_blk) [L4036] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4139] RET, EXPR init() [L4139] ldv_retval_1 = init() [L4140] COND TRUE ldv_retval_1 == 0 [L4141] ldv_state_variable_0 = 3 [L4142] ldv_state_variable_2 = 1 [L4143] CALL ldv_initialize_block_device_operations_2() [L4063] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] CALL, EXPR ldv_init_zalloc(464UL) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, size=464, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={-18446744073709551617:0}, ref_cnt=0, size=464, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={-18446744073709551617:0}, ref_cnt=0, size=464, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [\old(size)=464, \result={-18446744073709551617:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={-18446744073709551617:0}, ref_cnt=0, size=464, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] RET, EXPR ldv_init_zalloc(464UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(464UL)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] tmp = ldv_init_zalloc(464UL) [L4066] virtblk_fops_group0 = (struct block_device *)tmp VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4143] RET ldv_initialize_block_device_operations_2() [L4144] ldv_state_variable_1 = 1 [L4145] CALL ldv_initialize_virtio_driver_1() [L4054] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] CALL, EXPR ldv_init_zalloc(1048UL) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=1048, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={36893488147419103233:0}, ref_cnt=0, size=1048, tmp={36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={36893488147419103233:0}, ref_cnt=0, size=1048, tmp={36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [\old(size)=1048, \result={36893488147419103233:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, calloc(1UL, size)={36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={36893488147419103233:0}, ref_cnt=0, size=1048, tmp={36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] RET, EXPR ldv_init_zalloc(1048UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1048UL)={36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] tmp = ldv_init_zalloc(1048UL) [L4057] virtio_blk_group0 = (struct virtio_device *)tmp VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4145] RET ldv_initialize_virtio_driver_1() [L4148] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: [L4163] case 2: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4164] COND TRUE ldv_state_variable_2 != 0 [L4165] tmp___3 = __VERIFIER_nondet_int() [L4167] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4168] COND TRUE ldv_state_variable_2 == 1 [L4169] EXPR \read(ldvarg3) [L4169] EXPR \read(ldvarg1) [L4169] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3756] struct gendisk *disk ; [L3757] struct virtio_blk *vblk ; [L3758] void *usr_data ; [L3759] char id_str[20U] ; [L3760] int err ; [L3761] int tmp ; [L3762] bool tmp___0 ; [L3763] int tmp___1 ; [L3764] int tmp___2 ; [L3766] EXPR bdev->bd_disk [L3766] disk = bdev->bd_disk [L3767] EXPR disk->private_data [L3767] vblk = (struct virtio_blk *)disk->private_data [L3768] COND TRUE cmd == 1447184708U [L3769] usr_data = (void *)data [L3770] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3723] struct virtio_blk *vblk ; [L3724] struct request *req ; [L3725] struct bio *bio ; [L3726] long tmp ; [L3727] long tmp___0 ; [L3728] long tmp___1 ; [L3729] long tmp___2 ; [L3730] int tmp___3 ; [L3732] EXPR disk->private_data [L3732] vblk = (struct virtio_blk *)disk->private_data [L3733] EXPR vblk->disk [L3733] EXPR (vblk->disk)->queue [L3733] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4381] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(size)=112, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND TRUE tmp___0 != 0 [L3260] return ((void *)0); VAL [\old(size)=112, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=112, tmp___0=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4381] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(arg2)=20, \old(arg3)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, arg0={36893488147419103256:36893488147419103260}, arg0={36893488147419103256:36893488147419103260}, arg1={36893488147419103251:0}, arg1={36893488147419103251:0}, arg2=20, arg3=208, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct bio))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4381] return ldv_malloc(sizeof(struct bio)); [L3733] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3733] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3734] CALL, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3734] RET, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, bio={0:0}, disk={36893488147419103258:15}, disk={36893488147419103258:15}, features={13:0}, id_str={36893488147419103251:0}, id_str={36893488147419103251:0}, id_table={12:0}, index=0, IS_ERR((void const *)bio)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3734] tmp___0 = IS_ERR((void const *)bio) [L3735] COND FALSE !(tmp___0 != 0L) [L3740] EXPR vblk->disk [L3740] EXPR (vblk->disk)->queue [L3740] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4225] struct request *tmp ; [L4227] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4309] struct request *res ; [L4310] long tmp___0 ; VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4312] COND FALSE !(ldv_blk_rq != 0) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4316] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND FALSE !(tmp___0 != 0) [L3262] tmp = malloc(size) [L3263] p = tmp VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3264] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3264] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3265] CALL, EXPR IS_ERR(p) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3265] RET, EXPR IS_ERR(p) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3265] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3265] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3266] return (p); VAL [\old(size)=322, \result={-18446744073709549604:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4316] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={-18446744073709549604:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4316] res = ldv_malloc(sizeof(struct request)) [L4317] COND FALSE !((unsigned long )res == (unsigned long )((struct request *)0)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709549604:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4321] CALL, EXPR IS_ERR___0((void const *)res) [L4277] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4279] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3333] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, c=0, exp=0, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4279] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4279] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4280] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4321] RET, EXPR IS_ERR___0((void const *)res) [L4321] tmp___0 = IS_ERR___0((void const *)res) [L4322] COND TRUE tmp___0 == 0L [L4323] ldv_blk_rq = 1 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4326] return (res); VAL [\old(mask)=208, \result={-18446744073709549604:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709549604:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4227] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4227] tmp = ldv_blk_make_request(ldv_func_arg3) [L4228] return (tmp); VAL [\old(ldv_func_arg3)=208, \result={-18446744073709549604:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={36893488147419103256:36893488147419103260}, ldv_func_arg1={36893488147419103256:36893488147419103260}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={-18446744073709549604:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3740] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3740] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3741] CALL, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3741] RET, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, bio={0:0}, disk={36893488147419103258:15}, disk={36893488147419103258:15}, features={13:0}, id_str={36893488147419103251:0}, id_str={36893488147419103251:0}, id_table={12:0}, index=0, IS_ERR((void const *)req)=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709549604:0}, tmp___0=0, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3741] tmp___2 = IS_ERR((void const *)req) [L3742] COND FALSE !(tmp___2 != 0L) [L3748] req->cmd_type = 7 [L3749] EXPR vblk->disk [L3749] EXPR (vblk->disk)->queue [L3749] EXPR vblk->disk [L3749] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4391] return __VERIFIER_nondet_int(); [L3749] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3749] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3750] return (tmp___3); VAL [\result=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, bio={0:0}, disk={36893488147419103258:15}, disk={36893488147419103258:15}, features={13:0}, id_str={36893488147419103251:0}, id_str={36893488147419103251:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709549604:0}, tmp___0=0, tmp___2=0, tmp___3=1, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3770] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3770] err = virtblk_get_id(disk, (char *)(& id_str)) [L3771] COND FALSE !(err == 0) VAL [\old(cmd)=1447184708, \old(data)=0, \old(mode)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, bdev={-18446744073709551617:0}, bdev={-18446744073709551617:0}, cmd=1447184708, data=0, disk={36893488147419103258:15}, err=1, features={13:0}, id_str={36893488147419103251:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:0}, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L3779] return (err); [L3779] return (err); VAL [\old(cmd)=1447184708, \old(data)=0, \old(mode)=0, \result=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, bdev={-18446744073709551617:0}, bdev={-18446744073709551617:0}, cmd=1447184708, data=0, disk={36893488147419103258:15}, err=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:0}, vblk={-18446744073709549604:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4169] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4170] ldv_state_variable_2 = 1 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4130] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4131] CALL fini() [L4042] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4043] FCALL unregister_virtio_driver(& virtio_blk) [L4131] RET fini() [L4132] ldv_state_variable_0 = 2 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={36893488147419103235:0}, ldvarg2=1447184708, ldvarg3={36893488147419103248:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4194] CALL ldv_check_final_state() [L4343] COND TRUE ldv_blk_rq != 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4344] CALL ldv_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] [L4236] reach_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={36893488147419103253:36893488147419103252}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={36893488147419103233:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 459 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 10, TraceHistogramMax: 12, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6971 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6590 mSDsluCounter, 24609 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19446 mSDsCounter, 4470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8488 IncrementalHoareTripleChecker+Invalid, 12958 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4470 mSolverCounterUnsat, 5163 mSDtfsCounter, 8488 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1661 GetRequests, 1509 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3049occurred in iteration=9, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 8699 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2135 NumberOfCodeBlocks, 2135 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2475 ConstructedInterpolants, 0 QuantifiedInterpolants, 3790 SizeOfPredicates, 14 NumberOfNonLiveVariables, 5230 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 1515/1715 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 [2021-12-21 16:22:51,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:22:52,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:22:52,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:22:52,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:22:52,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:22:52,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:22:52,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:22:52,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:22:52,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:22:52,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:22:52,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:22:52,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:22:52,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:22:52,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:22:52,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:22:52,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:22:52,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:22:52,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:22:52,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:22:52,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:22:52,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:22:52,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:22:52,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:22:52,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:22:52,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:22:52,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:22:52,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:22:52,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:22:52,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:22:52,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:22:52,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:22:52,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:22:52,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:22:52,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:22:52,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:22:52,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:22:52,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:22:52,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:22:52,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:22:52,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:22:52,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:22:52,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-21 16:22:52,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:22:52,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:22:52,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:22:52,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:22:52,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:22:52,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:22:52,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:22:52,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:22:52,912 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:22:52,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:22:52,913 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:22:52,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:22:52,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:22:52,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:22:52,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:22:52,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:22:52,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 16:22:52,915 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2021-12-21 16:22:53,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:22:53,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:22:53,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:22:53,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:22:53,204 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:22:53,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:22:53,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1941bd94/2999dd5546d648c4bb0cdf42c97eccbb/FLAG99d0e9466 [2021-12-21 16:22:53,762 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:22:53,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-21 16:22:53,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1941bd94/2999dd5546d648c4bb0cdf42c97eccbb/FLAG99d0e9466 [2021-12-21 16:22:54,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1941bd94/2999dd5546d648c4bb0cdf42c97eccbb [2021-12-21 16:22:54,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:22:54,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:22:54,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:22:54,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:22:54,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:22:54,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:22:54" (1/1) ... [2021-12-21 16:22:54,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a69d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:54, skipping insertion in model container [2021-12-21 16:22:54,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:22:54" (1/1) ... [2021-12-21 16:22:54,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:22:54,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:22:55,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-12-21 16:22:55,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:22:55,086 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-21 16:22:55,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:22:55,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-12-21 16:22:55,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:22:55,235 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:22:55,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2021-12-21 16:22:55,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:22:55,443 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:22:55,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55 WrapperNode [2021-12-21 16:22:55,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:22:55,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:22:55,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:22:55,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:22:55,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,569 INFO L137 Inliner]: procedures = 149, calls = 521, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1605 [2021-12-21 16:22:55,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:22:55,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:22:55,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:22:55,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:22:55,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:22:55,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:22:55,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:22:55,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:22:55,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:22:55" (1/1) ... [2021-12-21 16:22:55,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:22:55,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:22:55,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:22:55,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:22:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2021-12-21 16:22:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2021-12-21 16:22:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-21 16:22:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-21 16:22:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 16:22:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2021-12-21 16:22:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2021-12-21 16:22:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-21 16:22:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:22:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:22:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:22:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:22:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2021-12-21 16:22:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2021-12-21 16:22:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2021-12-21 16:22:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2021-12-21 16:22:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:22:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:22:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-12-21 16:22:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-12-21 16:22:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2021-12-21 16:22:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2021-12-21 16:22:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:22:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:22:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:22:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:22:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:22:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:22:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2021-12-21 16:22:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2021-12-21 16:22:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:22:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:22:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:22:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:22:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:22:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:22:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:22:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:22:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:22:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:22:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2021-12-21 16:22:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2021-12-21 16:22:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:22:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:22:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:22:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:22:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2021-12-21 16:22:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2021-12-21 16:22:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-12-21 16:22:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-12-21 16:22:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:22:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:22:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:22:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:22:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:22:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-21 16:22:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-21 16:22:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-21 16:22:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:22:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 16:22:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:22:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 16:22:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-21 16:22:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-21 16:22:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-21 16:22:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2021-12-21 16:22:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2021-12-21 16:22:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:22:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:22:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:22:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:22:56,136 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:22:56,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:22:59,343 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:22:59,385 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 16:22:59,388 INFO L158 Benchmark]: Toolchain (without parser) took 5097.50ms. Allocated memory was 65.0MB in the beginning and 142.6MB in the end (delta: 77.6MB). Free memory was 42.3MB in the beginning and 86.8MB in the end (delta: -44.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-12-21 16:22:59,388 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 16:22:59,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1153.18ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 42.1MB in the beginning and 65.8MB in the end (delta: -23.8MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2021-12-21 16:22:59,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.70ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 55.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 16:22:59,389 INFO L158 Benchmark]: Boogie Preprocessor took 110.07ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 45.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 16:22:59,389 INFO L158 Benchmark]: RCFGBuilder took 3705.27ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 45.3MB in the beginning and 86.8MB in the end (delta: -41.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-21 16:22:59,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1153.18ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 42.1MB in the beginning and 65.8MB in the end (delta: -23.8MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.70ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 55.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.07ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 45.3MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3705.27ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 45.3MB in the beginning and 86.8MB in the end (delta: -41.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 16:22:59,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl