./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.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 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 11:42:08,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:42:08,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:42:08,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:42:08,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:42:08,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:42:08,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:42:08,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:42:08,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:42:08,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:42:08,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:42:08,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:42:08,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:42:08,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:42:08,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:42:08,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:42:08,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:42:08,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:42:08,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:42:08,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:42:08,141 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:42:08,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:42:08,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:42:08,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:42:08,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:42:08,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:42:08,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:42:08,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:42:08,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:42:08,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:42:08,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:42:08,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:42:08,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:42:08,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:42:08,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:42:08,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:42:08,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:42:08,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:42:08,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:42:08,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:42:08,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:42:08,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:42:08,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 11:42:08,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:42:08,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:42:08,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:42:08,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:42:08,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:42:08,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:42:08,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:42:08,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:42:08,199 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:42:08,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:42:08,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 11:42:08,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:42:08,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:42:08,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:42:08,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:42:08,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:42:08,201 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:42:08,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:42:08,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:42:08,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:42:08,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:42:08,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:42:08,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:42:08,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:42:08,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:42:08,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 11:42:08,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 11:42:08,203 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:42:08,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:42:08,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:42:08,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2022-07-12 11:42:08,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:42:08,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:42:08,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:42:08,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:42:08,459 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:42:08,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-07-12 11:42:08,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bbbd4b/d87a50ba77a14d90a11663e863d39554/FLAG7e72d6afd [2022-07-12 11:42:09,357 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:42:09,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-07-12 11:42:09,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bbbd4b/d87a50ba77a14d90a11663e863d39554/FLAG7e72d6afd [2022-07-12 11:42:09,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/019bbbd4b/d87a50ba77a14d90a11663e863d39554 [2022-07-12 11:42:09,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:42:09,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:42:09,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:42:09,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:42:09,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:42:09,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:42:09" (1/1) ... [2022-07-12 11:42:09,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281c06c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:09, skipping insertion in model container [2022-07-12 11:42:09,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:42:09" (1/1) ... [2022-07-12 11:42:09,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:42:09,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:42:12,514 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-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-07-12 11:42:12,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:42:12,803 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 11:42:13,201 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-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-07-12 11:42:13,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:42:13,325 INFO L208 MainTranslator]: Completed translation [2022-07-12 11:42:13,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13 WrapperNode [2022-07-12 11:42:13,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 11:42:13,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 11:42:13,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 11:42:13,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 11:42:13,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,684 INFO L137 Inliner]: procedures = 445, calls = 3482, calls flagged for inlining = 226, calls inlined = 196, statements flattened = 7816 [2022-07-12 11:42:13,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 11:42:13,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 11:42:13,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 11:42:13,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 11:42:13,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:13,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:14,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 11:42:14,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 11:42:14,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 11:42:14,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 11:42:14,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (1/1) ... [2022-07-12 11:42:14,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:42:14,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:42:14,053 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) [2022-07-12 11:42:14,072 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 [2022-07-12 11:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-07-12 11:42:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-07-12 11:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 11:42:14,094 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 11:42:14,094 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 11:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 11:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 11:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 11:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-12 11:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2022-07-12 11:42:14,095 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2022-07-12 11:42:14,095 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 11:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 11:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2022-07-12 11:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2022-07-12 11:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2022-07-12 11:42:14,096 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2022-07-12 11:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-12 11:42:14,096 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-07-12 11:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-07-12 11:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 11:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-07-12 11:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-07-12 11:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 11:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 11:42:14,097 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 11:42:14,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 11:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-07-12 11:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-07-12 11:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-07-12 11:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-07-12 11:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2022-07-12 11:42:14,098 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2022-07-12 11:42:14,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 11:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 11:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 11:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 11:42:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2022-07-12 11:42:14,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2022-07-12 11:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 11:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 11:42:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 11:42:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-07-12 11:42:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-07-12 11:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-12 11:42:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-12 11:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 11:42:14,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 11:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 11:42:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 11:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 11:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 11:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-07-12 11:42:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-07-12 11:42:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-12 11:42:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 11:42:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 11:42:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2022-07-12 11:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2022-07-12 11:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 11:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 11:42:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-07-12 11:42:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-07-12 11:42:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-07-12 11:42:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-07-12 11:42:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-07-12 11:42:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-07-12 11:42:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-12 11:42:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-12 11:42:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2022-07-12 11:42:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2022-07-12 11:42:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-07-12 11:42:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-07-12 11:42:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 11:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 11:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 11:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 11:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-12 11:42:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-12 11:42:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 11:42:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 11:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-12 11:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-12 11:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-07-12 11:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-07-12 11:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-07-12 11:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-07-12 11:42:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 11:42:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 11:42:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-07-12 11:42:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-07-12 11:42:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-12 11:42:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-12 11:42:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-07-12 11:42:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-07-12 11:42:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-07-12 11:42:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-07-12 11:42:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-07-12 11:42:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-07-12 11:42:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 11:42:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 11:42:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2022-07-12 11:42:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2022-07-12 11:42:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-07-12 11:42:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-07-12 11:42:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2022-07-12 11:42:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2022-07-12 11:42:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 11:42:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 11:42:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 11:42:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 11:42:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2022-07-12 11:42:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2022-07-12 11:42:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 11:42:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 11:42:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 11:42:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 11:42:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-07-12 11:42:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-07-12 11:42:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 11:42:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-07-12 11:42:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-07-12 11:42:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 11:42:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-07-12 11:42:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-07-12 11:42:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 11:42:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 11:42:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-07-12 11:42:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-07-12 11:42:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 11:42:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 11:42:14,124 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-07-12 11:42:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-07-12 11:42:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 11:42:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 11:42:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 11:42:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 11:42:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 11:42:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 11:42:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-07-12 11:42:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-07-12 11:42:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 11:42:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 11:42:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 11:42:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 11:42:14,125 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-07-12 11:42:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-07-12 11:42:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 11:42:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 11:42:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 11:42:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-07-12 11:42:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-07-12 11:42:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 11:42:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-12 11:42:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-12 11:42:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2022-07-12 11:42:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2022-07-12 11:42:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2022-07-12 11:42:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2022-07-12 11:42:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2022-07-12 11:42:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2022-07-12 11:42:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 11:42:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-07-12 11:42:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-07-12 11:42:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 11:42:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 11:42:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2022-07-12 11:42:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2022-07-12 11:42:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 11:42:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 11:42:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 11:42:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 11:42:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2022-07-12 11:42:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2022-07-12 11:42:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-12 11:42:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-12 11:42:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-07-12 11:42:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-07-12 11:42:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-07-12 11:42:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-07-12 11:42:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2022-07-12 11:42:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2022-07-12 11:42:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 11:42:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 11:42:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-07-12 11:42:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-07-12 11:42:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2022-07-12 11:42:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2022-07-12 11:42:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2022-07-12 11:42:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2022-07-12 11:42:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-07-12 11:42:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-07-12 11:42:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 11:42:14,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 11:42:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 11:42:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-07-12 11:42:14,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-07-12 11:42:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2022-07-12 11:42:14,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2022-07-12 11:42:14,130 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-07-12 11:42:14,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-07-12 11:42:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-12 11:42:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-12 11:42:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 11:42:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 11:42:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2022-07-12 11:42:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2022-07-12 11:42:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-12 11:42:14,131 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-12 11:42:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-12 11:42:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-12 11:42:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 11:42:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 11:42:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2022-07-12 11:42:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2022-07-12 11:42:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-07-12 11:42:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-07-12 11:42:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2022-07-12 11:42:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2022-07-12 11:42:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-07-12 11:42:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-07-12 11:42:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 11:42:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 11:42:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-07-12 11:42:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-07-12 11:42:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-12 11:42:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-12 11:42:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2022-07-12 11:42:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2022-07-12 11:42:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 11:42:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 11:42:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 11:42:14,134 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 11:42:14,134 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 11:42:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 11:42:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2022-07-12 11:42:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2022-07-12 11:42:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-07-12 11:42:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-07-12 11:42:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2022-07-12 11:42:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2022-07-12 11:42:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-07-12 11:42:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-07-12 11:42:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 11:42:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2022-07-12 11:42:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2022-07-12 11:42:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2022-07-12 11:42:14,140 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2022-07-12 11:42:15,094 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 11:42:15,097 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 11:42:20,235 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume #t~switch210;#res := ~ret~1; [2022-07-12 11:42:20,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !#t~switch210;#t~switch210 := #t~switch210 || 4 == ~size; [2022-07-12 11:42:20,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0 != ~tmp___1~4;#res := ~ret~1; [2022-07-12 11:42:20,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0 != ~tmp___1~4);#res := ~ret~1; [2022-07-12 11:42:20,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc #t~switch210; [2022-07-12 11:42:20,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474: SUMMARY for call #t~ret211 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-07-12 11:42:20,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume #t~switch210; [2022-07-12 11:42:20,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !#t~switch210;#t~switch210 := #t~switch210 || 16 == ~size; [2022-07-12 11:42:20,237 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474-1: assume -9223372036854775808 <= #t~ret211 && #t~ret211 <= 9223372036854775807;~tmp___0~9 := #t~ret211;havoc #t~ret211; [2022-07-12 11:42:20,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch210;#res := ~ret~1; [2022-07-12 11:42:20,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497-1: ~tmp___2~3 := #t~ret213;havoc #t~ret213;#res := (if ~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~3 % 18446744073709551616 % 4294967296 else ~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-12 11:42:20,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497: SUMMARY for call #t~ret213 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-07-12 11:42:20,258 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch210;#t~switch210 := #t~switch210 || 2 == ~size; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume #t~switch210;#res := ~ret~1; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !#t~switch210;#t~switch210 := #t~switch210 || 8 == ~size; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487-1: assume -9223372036854775808 <= #t~ret212 && #t~ret212 <= 9223372036854775807;~tmp___1~4 := #t~ret212;havoc #t~ret212; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487: SUMMARY for call #t~ret212 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume #t~switch210; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !#t~switch210;#t~switch210 := true; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0 != ~tmp___0~9;#res := ~ret~1; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0 != ~tmp___0~9);#res := ~ret~1; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume #t~switch210; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !#t~switch210; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume #t~switch210;#res := ~ret~1; [2022-07-12 11:42:20,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !#t~switch210;#t~switch210 := #t~switch210 || 10 == ~size; [2022-07-12 11:42:24,702 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 11:42:24,728 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 11:42:24,728 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 11:42:24,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:42:24 BoogieIcfgContainer [2022-07-12 11:42:24,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 11:42:24,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 11:42:24,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 11:42:24,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 11:42:24,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 11:42:09" (1/3) ... [2022-07-12 11:42:24,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8597e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:42:24, skipping insertion in model container [2022-07-12 11:42:24,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:42:13" (2/3) ... [2022-07-12 11:42:24,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8597e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:42:24, skipping insertion in model container [2022-07-12 11:42:24,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:42:24" (3/3) ... [2022-07-12 11:42:24,742 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-07-12 11:42:24,755 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 11:42:24,755 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 11:42:24,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 11:42:24,886 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1a65e369, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3bce6a5c [2022-07-12 11:42:24,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 11:42:24,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 2457 states, 1699 states have (on average 1.3507945850500294) internal successors, (2295), 1749 states have internal predecessors, (2295), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) [2022-07-12 11:42:24,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-12 11:42:24,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:24,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:24,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash 450761681, now seen corresponding path program 1 times [2022-07-12 11:42:24,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:24,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157866390] [2022-07-12 11:42:24,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:24,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:42:25,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:25,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157866390] [2022-07-12 11:42:25,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157866390] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:25,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:25,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 11:42:25,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698604554] [2022-07-12 11:42:25,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:25,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:42:25,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:25,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:42:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:25,472 INFO L87 Difference]: Start difference. First operand has 2457 states, 1699 states have (on average 1.3507945850500294) internal successors, (2295), 1749 states have internal predecessors, (2295), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:25,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:25,712 INFO L93 Difference]: Finished difference Result 4893 states and 7240 transitions. [2022-07-12 11:42:25,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:42:25,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-07-12 11:42:25,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:25,758 INFO L225 Difference]: With dead ends: 4893 [2022-07-12 11:42:25,758 INFO L226 Difference]: Without dead ends: 2441 [2022-07-12 11:42:25,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:25,868 INFO L413 NwaCegarLoop]: 3555 mSDtfsCounter, 3546 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3546 SdHoareTripleChecker+Valid, 3555 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:25,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3546 Valid, 3555 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 11:42:25,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2441 states. [2022-07-12 11:42:26,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2441 to 2441. [2022-07-12 11:42:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2441 states, 1686 states have (on average 1.3422301304863582) internal successors, (2263), 1733 states have internal predecessors, (2263), 641 states have call successors, (641), 114 states have call predecessors, (641), 113 states have return successors, (630), 618 states have call predecessors, (630), 630 states have call successors, (630) [2022-07-12 11:42:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 3534 transitions. [2022-07-12 11:42:26,081 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 3534 transitions. Word has length 15 [2022-07-12 11:42:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:26,082 INFO L495 AbstractCegarLoop]: Abstraction has 2441 states and 3534 transitions. [2022-07-12 11:42:26,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 3534 transitions. [2022-07-12 11:42:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-12 11:42:26,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:26,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:26,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 11:42:26,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:26,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:26,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1087560763, now seen corresponding path program 1 times [2022-07-12 11:42:26,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:26,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465344256] [2022-07-12 11:42:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:26,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:42:26,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:26,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465344256] [2022-07-12 11:42:26,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465344256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:26,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:26,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 11:42:26,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458188487] [2022-07-12 11:42:26,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:26,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:42:26,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:26,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:42:26,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:26,267 INFO L87 Difference]: Start difference. First operand 2441 states and 3534 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:26,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:26,397 INFO L93 Difference]: Finished difference Result 2443 states and 3535 transitions. [2022-07-12 11:42:26,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:42:26,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-07-12 11:42:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:26,411 INFO L225 Difference]: With dead ends: 2443 [2022-07-12 11:42:26,411 INFO L226 Difference]: Without dead ends: 2440 [2022-07-12 11:42:26,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:26,417 INFO L413 NwaCegarLoop]: 3531 mSDtfsCounter, 3521 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3521 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:26,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3521 Valid, 3531 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 11:42:26,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2022-07-12 11:42:26,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2440. [2022-07-12 11:42:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 1686 states have (on average 1.3416370106761566) internal successors, (2262), 1732 states have internal predecessors, (2262), 640 states have call successors, (640), 114 states have call predecessors, (640), 113 states have return successors, (630), 618 states have call predecessors, (630), 630 states have call successors, (630) [2022-07-12 11:42:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3532 transitions. [2022-07-12 11:42:26,519 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3532 transitions. Word has length 16 [2022-07-12 11:42:26,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:26,519 INFO L495 AbstractCegarLoop]: Abstraction has 2440 states and 3532 transitions. [2022-07-12 11:42:26,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3532 transitions. [2022-07-12 11:42:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 11:42:26,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:26,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:26,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 11:42:26,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:26,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:26,521 INFO L85 PathProgramCache]: Analyzing trace with hash -646499308, now seen corresponding path program 1 times [2022-07-12 11:42:26,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:26,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416938153] [2022-07-12 11:42:26,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:26,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:42:26,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:26,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416938153] [2022-07-12 11:42:26,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416938153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:26,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:26,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 11:42:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41063170] [2022-07-12 11:42:26,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:26,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:42:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:42:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:26,662 INFO L87 Difference]: Start difference. First operand 2440 states and 3532 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:26,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:26,767 INFO L93 Difference]: Finished difference Result 2442 states and 3533 transitions. [2022-07-12 11:42:26,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:42:26,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-07-12 11:42:26,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:26,781 INFO L225 Difference]: With dead ends: 2442 [2022-07-12 11:42:26,781 INFO L226 Difference]: Without dead ends: 2439 [2022-07-12 11:42:26,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:26,784 INFO L413 NwaCegarLoop]: 3529 mSDtfsCounter, 3518 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:26,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 3529 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 11:42:26,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2439 states. [2022-07-12 11:42:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2439 to 2439. [2022-07-12 11:42:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 1686 states have (on average 1.341043890865955) internal successors, (2261), 1731 states have internal predecessors, (2261), 639 states have call successors, (639), 114 states have call predecessors, (639), 113 states have return successors, (630), 618 states have call predecessors, (630), 630 states have call successors, (630) [2022-07-12 11:42:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3530 transitions. [2022-07-12 11:42:26,942 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3530 transitions. Word has length 17 [2022-07-12 11:42:26,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:26,943 INFO L495 AbstractCegarLoop]: Abstraction has 2439 states and 3530 transitions. [2022-07-12 11:42:26,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3530 transitions. [2022-07-12 11:42:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-12 11:42:26,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:26,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:26,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 11:42:26,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:26,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:26,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1432218206, now seen corresponding path program 1 times [2022-07-12 11:42:26,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:26,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273743535] [2022-07-12 11:42:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:27,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:42:27,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:27,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273743535] [2022-07-12 11:42:27,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273743535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:27,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:27,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 11:42:27,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411763119] [2022-07-12 11:42:27,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:27,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:42:27,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:27,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:42:27,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:27,111 INFO L87 Difference]: Start difference. First operand 2439 states and 3530 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:27,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:27,339 INFO L93 Difference]: Finished difference Result 5743 states and 8187 transitions. [2022-07-12 11:42:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:42:27,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-07-12 11:42:27,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:27,366 INFO L225 Difference]: With dead ends: 5743 [2022-07-12 11:42:27,366 INFO L226 Difference]: Without dead ends: 3343 [2022-07-12 11:42:27,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:27,384 INFO L413 NwaCegarLoop]: 3831 mSDtfsCounter, 1910 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 6607 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:27,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 6607 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 11:42:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2022-07-12 11:42:27,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 3336. [2022-07-12 11:42:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 2300 states have (on average 1.3169565217391304) internal successors, (3029), 2367 states have internal predecessors, (3029), 838 states have call successors, (838), 200 states have call predecessors, (838), 197 states have return successors, (832), 806 states have call predecessors, (832), 826 states have call successors, (832) [2022-07-12 11:42:27,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4699 transitions. [2022-07-12 11:42:27,559 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4699 transitions. Word has length 18 [2022-07-12 11:42:27,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:27,560 INFO L495 AbstractCegarLoop]: Abstraction has 3336 states and 4699 transitions. [2022-07-12 11:42:27,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4699 transitions. [2022-07-12 11:42:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 11:42:27,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:27,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:27,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 11:42:27,563 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:27,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:27,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1447956567, now seen corresponding path program 1 times [2022-07-12 11:42:27,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:27,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955053762] [2022-07-12 11:42:27,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:42:27,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:27,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955053762] [2022-07-12 11:42:27,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955053762] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:27,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:27,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 11:42:27,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383973602] [2022-07-12 11:42:27,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:27,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:42:27,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:27,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:42:27,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:27,705 INFO L87 Difference]: Start difference. First operand 3336 states and 4699 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:27,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:27,839 INFO L93 Difference]: Finished difference Result 3371 states and 4726 transitions. [2022-07-12 11:42:27,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:42:27,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-07-12 11:42:27,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:27,859 INFO L225 Difference]: With dead ends: 3371 [2022-07-12 11:42:27,859 INFO L226 Difference]: Without dead ends: 3367 [2022-07-12 11:42:27,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:27,863 INFO L413 NwaCegarLoop]: 3524 mSDtfsCounter, 3444 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 3608 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:27,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 3608 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 11:42:27,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2022-07-12 11:42:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3363. [2022-07-12 11:42:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3363 states, 2321 states have (on average 1.3136579060749678) internal successors, (3049), 2386 states have internal predecessors, (3049), 836 states have call successors, (836), 208 states have call predecessors, (836), 205 states have return successors, (832), 806 states have call predecessors, (832), 826 states have call successors, (832) [2022-07-12 11:42:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 4717 transitions. [2022-07-12 11:42:28,020 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 4717 transitions. Word has length 19 [2022-07-12 11:42:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:28,021 INFO L495 AbstractCegarLoop]: Abstraction has 3363 states and 4717 transitions. [2022-07-12 11:42:28,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 4717 transitions. [2022-07-12 11:42:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-12 11:42:28,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:28,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:28,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 11:42:28,026 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:28,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:28,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1935850625, now seen corresponding path program 1 times [2022-07-12 11:42:28,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:28,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547665665] [2022-07-12 11:42:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:28,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:42:28,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:28,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547665665] [2022-07-12 11:42:28,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547665665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:28,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:28,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 11:42:28,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562225105] [2022-07-12 11:42:28,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:28,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:42:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:28,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:42:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:28,144 INFO L87 Difference]: Start difference. First operand 3363 states and 4717 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:28,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:28,325 INFO L93 Difference]: Finished difference Result 3397 states and 4751 transitions. [2022-07-12 11:42:28,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:42:28,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-12 11:42:28,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:28,343 INFO L225 Difference]: With dead ends: 3397 [2022-07-12 11:42:28,343 INFO L226 Difference]: Without dead ends: 3373 [2022-07-12 11:42:28,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:42:28,347 INFO L413 NwaCegarLoop]: 3522 mSDtfsCounter, 3432 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 3608 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:28,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 3608 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 11:42:28,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2022-07-12 11:42:28,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3371. [2022-07-12 11:42:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 2329 states have (on average 1.3125805066552167) internal successors, (3057), 2392 states have internal predecessors, (3057), 830 states have call successors, (830), 214 states have call predecessors, (830), 211 states have return successors, (828), 802 states have call predecessors, (828), 822 states have call successors, (828) [2022-07-12 11:42:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4715 transitions. [2022-07-12 11:42:28,528 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4715 transitions. Word has length 20 [2022-07-12 11:42:28,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:28,528 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4715 transitions. [2022-07-12 11:42:28,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 11:42:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4715 transitions. [2022-07-12 11:42:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-12 11:42:28,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:28,536 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:28,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 11:42:28,537 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:28,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:28,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1344205755, now seen corresponding path program 1 times [2022-07-12 11:42:28,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:28,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643442869] [2022-07-12 11:42:28,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:28,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 11:42:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 11:42:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 11:42:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-12 11:42:28,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:28,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643442869] [2022-07-12 11:42:28,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643442869] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:28,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:28,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 11:42:28,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961705094] [2022-07-12 11:42:28,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:28,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 11:42:28,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:28,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 11:42:28,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 11:42:28,802 INFO L87 Difference]: Start difference. First operand 3371 states and 4715 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 11:42:31,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:42:34,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:34,155 INFO L93 Difference]: Finished difference Result 5247 states and 7260 transitions. [2022-07-12 11:42:34,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 11:42:34,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-07-12 11:42:34,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:34,172 INFO L225 Difference]: With dead ends: 5247 [2022-07-12 11:42:34,173 INFO L226 Difference]: Without dead ends: 2682 [2022-07-12 11:42:34,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 11:42:34,256 INFO L413 NwaCegarLoop]: 3052 mSDtfsCounter, 2362 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 899 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2729 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 899 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:34,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2729 Valid, 4959 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [899 Valid, 1906 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 11:42:34,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2022-07-12 11:42:34,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2560. [2022-07-12 11:42:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 1769 states have (on average 1.3024307518371963) internal successors, (2304), 1809 states have internal predecessors, (2304), 622 states have call successors, (622), 170 states have call predecessors, (622), 168 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2022-07-12 11:42:34,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3541 transitions. [2022-07-12 11:42:34,362 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3541 transitions. Word has length 50 [2022-07-12 11:42:34,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:34,364 INFO L495 AbstractCegarLoop]: Abstraction has 2560 states and 3541 transitions. [2022-07-12 11:42:34,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 11:42:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3541 transitions. [2022-07-12 11:42:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-12 11:42:34,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:34,372 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:42:34,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 11:42:34,372 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:34,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:34,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1687789997, now seen corresponding path program 1 times [2022-07-12 11:42:34,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:34,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741972435] [2022-07-12 11:42:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:34,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 11:42:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 11:42:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 11:42:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 11:42:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 11:42:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-12 11:42:34,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:34,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741972435] [2022-07-12 11:42:34,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741972435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:34,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:34,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 11:42:34,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443504239] [2022-07-12 11:42:34,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:34,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 11:42:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:34,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 11:42:34,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 11:42:34,552 INFO L87 Difference]: Start difference. First operand 2560 states and 3541 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 11:42:37,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:42:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:39,497 INFO L93 Difference]: Finished difference Result 5229 states and 7272 transitions. [2022-07-12 11:42:39,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 11:42:39,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2022-07-12 11:42:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:39,513 INFO L225 Difference]: With dead ends: 5229 [2022-07-12 11:42:39,513 INFO L226 Difference]: Without dead ends: 2682 [2022-07-12 11:42:39,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 11:42:39,524 INFO L413 NwaCegarLoop]: 2996 mSDtfsCounter, 976 mSDsluCounter, 2957 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 621 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 5953 SdHoareTripleChecker+Invalid, 2693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:39,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 5953 Invalid, 2693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 2071 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-07-12 11:42:39,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2022-07-12 11:42:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2560. [2022-07-12 11:42:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 1769 states have (on average 1.2990390050876202) internal successors, (2298), 1809 states have internal predecessors, (2298), 622 states have call successors, (622), 170 states have call predecessors, (622), 168 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2022-07-12 11:42:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3535 transitions. [2022-07-12 11:42:39,673 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3535 transitions. Word has length 71 [2022-07-12 11:42:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:39,673 INFO L495 AbstractCegarLoop]: Abstraction has 2560 states and 3535 transitions. [2022-07-12 11:42:39,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 11:42:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3535 transitions. [2022-07-12 11:42:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-12 11:42:39,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:39,679 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-12 11:42:39,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 11:42:39,680 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:39,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:39,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1685524286, now seen corresponding path program 1 times [2022-07-12 11:42:39,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:39,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511044796] [2022-07-12 11:42:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:39,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 11:42:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 11:42:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:42:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 11:42:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 11:42:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 11:42:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 11:42:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 11:42:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-12 11:42:39,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:39,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511044796] [2022-07-12 11:42:39,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511044796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:39,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:39,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 11:42:39,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260844666] [2022-07-12 11:42:39,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:39,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 11:42:39,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:39,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 11:42:39,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 11:42:39,961 INFO L87 Difference]: Start difference. First operand 2560 states and 3535 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 11:42:42,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:42:44,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:42:46,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:42:50,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:42:50,669 INFO L93 Difference]: Finished difference Result 5189 states and 7183 transitions. [2022-07-12 11:42:50,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 11:42:50,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2022-07-12 11:42:50,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:42:50,683 INFO L225 Difference]: With dead ends: 5189 [2022-07-12 11:42:50,684 INFO L226 Difference]: Without dead ends: 2680 [2022-07-12 11:42:50,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-12 11:42:50,694 INFO L413 NwaCegarLoop]: 2996 mSDtfsCounter, 984 mSDsluCounter, 6474 mSDsCounter, 0 mSdLazyCounter, 5026 mSolverCounterSat, 614 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 9470 SdHoareTripleChecker+Invalid, 5643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 5026 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-12 11:42:50,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 9470 Invalid, 5643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 5026 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2022-07-12 11:42:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2022-07-12 11:42:50,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2560. [2022-07-12 11:42:50,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 1769 states have (on average 1.2984737139626907) internal successors, (2297), 1808 states have internal predecessors, (2297), 622 states have call successors, (622), 170 states have call predecessors, (622), 168 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2022-07-12 11:42:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3534 transitions. [2022-07-12 11:42:50,854 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3534 transitions. Word has length 81 [2022-07-12 11:42:50,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:42:50,854 INFO L495 AbstractCegarLoop]: Abstraction has 2560 states and 3534 transitions. [2022-07-12 11:42:50,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 11:42:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3534 transitions. [2022-07-12 11:42:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-12 11:42:50,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:42:50,860 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-12 11:42:50,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 11:42:50,861 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:42:50,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:42:50,861 INFO L85 PathProgramCache]: Analyzing trace with hash -296859111, now seen corresponding path program 1 times [2022-07-12 11:42:50,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:42:50,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290617936] [2022-07-12 11:42:50,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:42:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:42:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:42:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 11:42:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 11:42:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 11:42:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:42:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 11:42:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 11:42:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 11:42:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 11:42:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 11:42:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:42:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-12 11:42:51,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:42:51,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290617936] [2022-07-12 11:42:51,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290617936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:42:51,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:42:51,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 11:42:51,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146870177] [2022-07-12 11:42:51,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:42:51,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 11:42:51,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:42:51,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 11:42:51,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 11:42:51,147 INFO L87 Difference]: Start difference. First operand 2560 states and 3534 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-12 11:42:54,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:42:56,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:42:58,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:43:01,946 INFO L93 Difference]: Finished difference Result 5188 states and 7181 transitions. [2022-07-12 11:43:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 11:43:01,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 88 [2022-07-12 11:43:01,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:43:01,961 INFO L225 Difference]: With dead ends: 5188 [2022-07-12 11:43:01,961 INFO L226 Difference]: Without dead ends: 2669 [2022-07-12 11:43:01,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-12 11:43:01,971 INFO L413 NwaCegarLoop]: 2995 mSDtfsCounter, 985 mSDsluCounter, 6470 mSDsCounter, 0 mSdLazyCounter, 5020 mSolverCounterSat, 616 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 9465 SdHoareTripleChecker+Invalid, 5639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 5020 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-12 11:43:01,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 9465 Invalid, 5639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 5020 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2022-07-12 11:43:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2669 states. [2022-07-12 11:43:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2669 to 2549. [2022-07-12 11:43:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2549 states, 1762 states have (on average 1.2985244040862656) internal successors, (2288), 1801 states have internal predecessors, (2288), 620 states have call successors, (620), 168 states have call predecessors, (620), 166 states have return successors, (613), 601 states have call predecessors, (613), 613 states have call successors, (613) [2022-07-12 11:43:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3521 transitions. [2022-07-12 11:43:02,072 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3521 transitions. Word has length 88 [2022-07-12 11:43:02,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:43:02,072 INFO L495 AbstractCegarLoop]: Abstraction has 2549 states and 3521 transitions. [2022-07-12 11:43:02,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-12 11:43:02,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3521 transitions. [2022-07-12 11:43:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 11:43:02,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:43:02,078 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:43:02,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 11:43:02,078 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:43:02,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:43:02,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1782157613, now seen corresponding path program 1 times [2022-07-12 11:43:02,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:43:02,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484566629] [2022-07-12 11:43:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:02,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:43:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:43:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 11:43:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 11:43:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 11:43:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 11:43:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 11:43:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 11:43:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 11:43:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 11:43:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 11:43:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 11:43:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-12 11:43:02,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:43:02,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484566629] [2022-07-12 11:43:02,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484566629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:43:02,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:43:02,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 11:43:02,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631950017] [2022-07-12 11:43:02,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:43:02,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 11:43:02,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:43:02,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 11:43:02,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 11:43:02,473 INFO L87 Difference]: Start difference. First operand 2549 states and 3521 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 11:43:05,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:07,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:12,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:43:12,254 INFO L93 Difference]: Finished difference Result 5304 states and 7360 transitions. [2022-07-12 11:43:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 11:43:12,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 109 [2022-07-12 11:43:12,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:43:12,268 INFO L225 Difference]: With dead ends: 5304 [2022-07-12 11:43:12,269 INFO L226 Difference]: Without dead ends: 2794 [2022-07-12 11:43:12,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 11:43:12,278 INFO L413 NwaCegarLoop]: 2963 mSDtfsCounter, 1644 mSDsluCounter, 5694 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 1501 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 8657 SdHoareTripleChecker+Invalid, 6205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1501 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-07-12 11:43:12,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 8657 Invalid, 6205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1501 Valid, 4702 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-07-12 11:43:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2794 states. [2022-07-12 11:43:12,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2794 to 2549. [2022-07-12 11:43:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2549 states, 1762 states have (on average 1.2979568671963677) internal successors, (2287), 1801 states have internal predecessors, (2287), 620 states have call successors, (620), 168 states have call predecessors, (620), 166 states have return successors, (613), 601 states have call predecessors, (613), 613 states have call successors, (613) [2022-07-12 11:43:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2549 states and 3520 transitions. [2022-07-12 11:43:12,385 INFO L78 Accepts]: Start accepts. Automaton has 2549 states and 3520 transitions. Word has length 109 [2022-07-12 11:43:12,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:43:12,386 INFO L495 AbstractCegarLoop]: Abstraction has 2549 states and 3520 transitions. [2022-07-12 11:43:12,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 11:43:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3520 transitions. [2022-07-12 11:43:12,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-12 11:43:12,391 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:43:12,391 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:43:12,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 11:43:12,391 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:43:12,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:43:12,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1340529683, now seen corresponding path program 1 times [2022-07-12 11:43:12,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:43:12,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038622454] [2022-07-12 11:43:12,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:12,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:43:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:43:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 11:43:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:12,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 11:43:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:12,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 11:43:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 11:43:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 11:43:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 11:43:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 11:43:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 11:43:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 11:43:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 11:43:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 11:43:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-12 11:43:13,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:43:13,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038622454] [2022-07-12 11:43:13,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038622454] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 11:43:13,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384848138] [2022-07-12 11:43:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:43:13,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:43:13,251 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) [2022-07-12 11:43:13,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 11:43:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:14,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 2816 conjuncts, 41 conjunts are in the unsatisfiable core [2022-07-12 11:43:14,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:43:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 11:43:14,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:43:14,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384848138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:43:14,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 11:43:14,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 16 [2022-07-12 11:43:14,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746502104] [2022-07-12 11:43:14,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:43:14,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 11:43:14,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:43:14,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 11:43:14,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-07-12 11:43:14,585 INFO L87 Difference]: Start difference. First operand 2549 states and 3520 transitions. Second operand has 12 states, 10 states have (on average 7.9) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2022-07-12 11:43:16,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:18,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:43:18,225 INFO L93 Difference]: Finished difference Result 5073 states and 7015 transitions. [2022-07-12 11:43:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 11:43:18,228 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.9) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 112 [2022-07-12 11:43:18,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:43:18,239 INFO L225 Difference]: With dead ends: 5073 [2022-07-12 11:43:18,239 INFO L226 Difference]: Without dead ends: 2558 [2022-07-12 11:43:18,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2022-07-12 11:43:18,249 INFO L413 NwaCegarLoop]: 3069 mSDtfsCounter, 2 mSDsluCounter, 30524 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 33593 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-12 11:43:18,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 33593 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1484 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-12 11:43:18,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2022-07-12 11:43:18,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2556. [2022-07-12 11:43:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 1767 states have (on average 1.2971137521222411) internal successors, (2292), 1806 states have internal predecessors, (2292), 621 states have call successors, (621), 168 states have call predecessors, (621), 167 states have return successors, (620), 603 states have call predecessors, (620), 614 states have call successors, (620) [2022-07-12 11:43:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3533 transitions. [2022-07-12 11:43:18,349 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3533 transitions. Word has length 112 [2022-07-12 11:43:18,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:43:18,349 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 3533 transitions. [2022-07-12 11:43:18,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.9) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) [2022-07-12 11:43:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3533 transitions. [2022-07-12 11:43:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-12 11:43:18,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:43:18,355 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:43:18,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 11:43:18,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-12 11:43:18,569 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:43:18,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:43:18,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1004750139, now seen corresponding path program 1 times [2022-07-12 11:43:18,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:43:18,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572229853] [2022-07-12 11:43:18,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:18,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:43:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:43:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 11:43:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 11:43:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 11:43:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 11:43:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 11:43:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 11:43:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 11:43:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 11:43:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 11:43:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 11:43:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 11:43:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-12 11:43:19,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:43:19,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572229853] [2022-07-12 11:43:19,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572229853] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 11:43:19,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117450372] [2022-07-12 11:43:19,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:19,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:43:19,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:43:19,685 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) [2022-07-12 11:43:19,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 11:43:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:20,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 2876 conjuncts, 71 conjunts are in the unsatisfiable core [2022-07-12 11:43:20,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:43:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 11:43:22,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:43:22,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117450372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:43:22,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 11:43:22,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [20] total 31 [2022-07-12 11:43:22,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69869052] [2022-07-12 11:43:22,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:43:22,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-12 11:43:22,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:43:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-12 11:43:22,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=846, Unknown=0, NotChecked=0, Total=930 [2022-07-12 11:43:22,167 INFO L87 Difference]: Start difference. First operand 2556 states and 3533 transitions. Second operand has 18 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) [2022-07-12 11:43:24,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:26,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:43:26,338 INFO L93 Difference]: Finished difference Result 5070 states and 7015 transitions. [2022-07-12 11:43:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 11:43:26,339 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) Word has length 118 [2022-07-12 11:43:26,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:43:26,349 INFO L225 Difference]: With dead ends: 5070 [2022-07-12 11:43:26,350 INFO L226 Difference]: Without dead ends: 2553 [2022-07-12 11:43:26,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=185, Invalid=1455, Unknown=0, NotChecked=0, Total=1640 [2022-07-12 11:43:26,359 INFO L413 NwaCegarLoop]: 3074 mSDtfsCounter, 14 mSDsluCounter, 39756 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 42830 SdHoareTripleChecker+Invalid, 2003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 11:43:26,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 42830 Invalid, 2003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1988 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 11:43:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2022-07-12 11:43:26,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2544. [2022-07-12 11:43:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1759 states have (on average 1.297896532120523) internal successors, (2283), 1798 states have internal predecessors, (2283), 619 states have call successors, (619), 167 states have call predecessors, (619), 165 states have return successors, (612), 600 states have call predecessors, (612), 612 states have call successors, (612) [2022-07-12 11:43:26,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3514 transitions. [2022-07-12 11:43:26,458 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3514 transitions. Word has length 118 [2022-07-12 11:43:26,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:43:26,459 INFO L495 AbstractCegarLoop]: Abstraction has 2544 states and 3514 transitions. [2022-07-12 11:43:26,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.666666666666667) internal successors, (85), 14 states have internal predecessors, (85), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (14), 6 states have call predecessors, (14), 5 states have call successors, (14) [2022-07-12 11:43:26,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3514 transitions. [2022-07-12 11:43:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-12 11:43:26,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:43:26,464 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:43:26,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 11:43:26,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-12 11:43:26,686 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:43:26,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:43:26,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1953421011, now seen corresponding path program 1 times [2022-07-12 11:43:26,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:43:26,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199256868] [2022-07-12 11:43:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:43:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 11:43:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 11:43:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 11:43:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 11:43:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 11:43:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 11:43:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 11:43:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 11:43:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 11:43:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 11:43:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 11:43:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 11:43:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 11:43:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-12 11:43:28,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:43:28,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199256868] [2022-07-12 11:43:28,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199256868] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 11:43:28,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059054147] [2022-07-12 11:43:28,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:28,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:43:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:43:28,387 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) [2022-07-12 11:43:28,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 11:43:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:43:29,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 3305 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-12 11:43:29,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:43:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-12 11:43:29,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 11:43:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-12 11:43:29,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059054147] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 11:43:29,571 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 11:43:29,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 6] total 13 [2022-07-12 11:43:29,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363903585] [2022-07-12 11:43:29,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 11:43:29,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 11:43:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:43:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 11:43:29,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-07-12 11:43:29,574 INFO L87 Difference]: Start difference. First operand 2544 states and 3514 transitions. Second operand has 13 states, 10 states have (on average 10.6) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2022-07-12 11:43:33,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:35,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:37,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:39,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:41,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:43,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:45,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:43:55,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:43:55,154 INFO L93 Difference]: Finished difference Result 5312 states and 7370 transitions. [2022-07-12 11:43:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 11:43:55,155 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) Word has length 116 [2022-07-12 11:43:55,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:43:55,164 INFO L225 Difference]: With dead ends: 5312 [2022-07-12 11:43:55,164 INFO L226 Difference]: Without dead ends: 2780 [2022-07-12 11:43:55,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2022-07-12 11:43:55,171 INFO L413 NwaCegarLoop]: 2865 mSDtfsCounter, 2166 mSDsluCounter, 15036 mSDsCounter, 0 mSdLazyCounter, 13989 mSolverCounterSat, 1703 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 17901 SdHoareTripleChecker+Invalid, 15699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1703 IncrementalHoareTripleChecker+Valid, 13989 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-07-12 11:43:55,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 17901 Invalid, 15699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1703 Valid, 13989 Invalid, 7 Unknown, 0 Unchecked, 25.2s Time] [2022-07-12 11:43:55,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2022-07-12 11:43:55,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2535. [2022-07-12 11:43:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 1754 states have (on average 1.297605473204105) internal successors, (2276), 1793 states have internal predecessors, (2276), 616 states have call successors, (616), 166 states have call predecessors, (616), 164 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-07-12 11:43:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3501 transitions. [2022-07-12 11:43:55,265 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3501 transitions. Word has length 116 [2022-07-12 11:43:55,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:43:55,266 INFO L495 AbstractCegarLoop]: Abstraction has 2535 states and 3501 transitions. [2022-07-12 11:43:55,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2022-07-12 11:43:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3501 transitions. [2022-07-12 11:43:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-12 11:43:55,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:43:55,272 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:43:55,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-12 11:43:55,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 11:43:55,499 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:43:55,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:43:55,500 INFO L85 PathProgramCache]: Analyzing trace with hash 174732758, now seen corresponding path program 1 times [2022-07-12 11:43:55,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:43:55,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362407599] [2022-07-12 11:43:55,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:43:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:43:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:43:57,163 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 11:43:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:43:58,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 11:43:58,515 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 11:43:58,516 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 11:43:58,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 11:43:58,520 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:43:58,524 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 11:43:58,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 11:43:58 BoogieIcfgContainer [2022-07-12 11:43:58,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 11:43:58,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 11:43:58,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 11:43:58,714 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 11:43:58,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:42:24" (3/4) ... [2022-07-12 11:43:58,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 11:43:58,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 11:43:58,719 INFO L158 Benchmark]: Toolchain (without parser) took 109178.51ms. Allocated memory was 104.9MB in the beginning and 954.2MB in the end (delta: 849.3MB). Free memory was 74.7MB in the beginning and 526.9MB in the end (delta: -452.2MB). Peak memory consumption was 397.4MB. Max. memory is 16.1GB. [2022-07-12 11:43:58,720 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:43:58,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3784.70ms. Allocated memory was 104.9MB in the beginning and 241.2MB in the end (delta: 136.3MB). Free memory was 74.3MB in the beginning and 106.2MB in the end (delta: -31.9MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. [2022-07-12 11:43:58,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 356.60ms. Allocated memory is still 241.2MB. Free memory was 106.2MB in the beginning and 118.8MB in the end (delta: -12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 11:43:58,721 INFO L158 Benchmark]: Boogie Preprocessor took 322.78ms. Allocated memory is still 241.2MB. Free memory was 118.8MB in the beginning and 111.8MB in the end (delta: 6.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2022-07-12 11:43:58,721 INFO L158 Benchmark]: RCFGBuilder took 10723.27ms. Allocated memory was 241.2MB in the beginning and 536.9MB in the end (delta: 295.7MB). Free memory was 111.8MB in the beginning and 262.5MB in the end (delta: -150.7MB). Peak memory consumption was 256.7MB. Max. memory is 16.1GB. [2022-07-12 11:43:58,721 INFO L158 Benchmark]: TraceAbstraction took 93977.56ms. Allocated memory was 536.9MB in the beginning and 954.2MB in the end (delta: 417.3MB). Free memory was 262.5MB in the beginning and 526.9MB in the end (delta: -264.4MB). Peak memory consumption was 425.6MB. Max. memory is 16.1GB. [2022-07-12 11:43:58,721 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 954.2MB. Free memory is still 526.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:43:58,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3784.70ms. Allocated memory was 104.9MB in the beginning and 241.2MB in the end (delta: 136.3MB). Free memory was 74.3MB in the beginning and 106.2MB in the end (delta: -31.9MB). Peak memory consumption was 117.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 356.60ms. Allocated memory is still 241.2MB. Free memory was 106.2MB in the beginning and 118.8MB in the end (delta: -12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 322.78ms. Allocated memory is still 241.2MB. Free memory was 118.8MB in the beginning and 111.8MB in the end (delta: 6.9MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * RCFGBuilder took 10723.27ms. Allocated memory was 241.2MB in the beginning and 536.9MB in the end (delta: 295.7MB). Free memory was 111.8MB in the beginning and 262.5MB in the end (delta: -150.7MB). Peak memory consumption was 256.7MB. Max. memory is 16.1GB. * TraceAbstraction took 93977.56ms. Allocated memory was 536.9MB in the beginning and 954.2MB in the end (delta: 417.3MB). Free memory was 262.5MB in the beginning and 526.9MB in the end (delta: -264.4MB). Peak memory consumption was 425.6MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 954.2MB. Free memory is still 526.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of __builtin_object_size at line 7404, overapproximation of large string literal at line 12845, overapproximation of bitwiseAnd at line 12077. Possible FailurePath: [L7687] static unsigned int vhost_zcopy_mask ; [L10792] static struct target_fabric_configfs *tcm_vhost_fabric_configfs ; [L10793] static struct workqueue_struct *tcm_vhost_workqueue ; [L10794-L10797] static struct mutex tcm_vhost_mutex = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "tcm_vhost_mutex.wait_lock", 0, 0UL}}}}, {& tcm_vhost_mutex.wait_list, & tcm_vhost_mutex.wait_list}, 0, 0, (void *)(& tcm_vhost_mutex), {0, {0, 0}, "tcm_vhost_mutex", 0, 0UL}}; [L10798] static struct list_head tcm_vhost_list = {& tcm_vhost_list, & tcm_vhost_list}; [L12183-L12186] static struct file_operations const vhost_scsi_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_scsi_ioctl, & vhost_scsi_compat_ioctl, 0, & vhost_scsi_open, 0, & vhost_scsi_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12187-L12188] static struct miscdevice vhost_scsi_misc = {255, "vhost-scsi", & vhost_scsi_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L12540] static struct target_fabric_tpg_attribute tcm_vhost_tpg_nexus = {{"nexus", & __this_module, 420U}, & tcm_vhost_tpg_show_nexus, & tcm_vhost_tpg_store_nexus}; [L12541] static struct configfs_attribute *tcm_vhost_tpg_attrs[2U] = { & tcm_vhost_tpg_nexus.attr, 0}; [L12732] static struct target_fabric_wwn_attribute tcm_vhost_wwn_version = {{"version", & __this_module, 292U}, & tcm_vhost_wwn_show_attr_version, 0}; [L12733] static struct configfs_attribute *tcm_vhost_wwn_attrs[2U] = { & tcm_vhost_wwn_version.attr, 0}; [L12734-L12745] static struct target_core_fabric_ops tcm_vhost_ops = {0, & tcm_vhost_get_fabric_name, & tcm_vhost_get_fabric_proto_ident, & tcm_vhost_get_fabric_wwn, & tcm_vhost_get_tag, & tcm_vhost_get_default_depth, & tcm_vhost_get_pr_transport_id, & tcm_vhost_get_pr_transport_id_len, & tcm_vhost_parse_pr_out_transport_id, & tcm_vhost_check_true, & tcm_vhost_check_true, & tcm_vhost_check_false, & tcm_vhost_check_false, 0, & tcm_vhost_alloc_fabric_acl, & tcm_vhost_release_fabric_acl, & tcm_vhost_tpg_get_inst_index, 0, & tcm_vhost_release_cmd, 0, & tcm_vhost_shutdown_session, & tcm_vhost_close_session, & tcm_vhost_sess_get_index, 0, & tcm_vhost_write_pending, & tcm_vhost_write_pending_status, & tcm_vhost_set_default_node_attrs, & tcm_vhost_get_task_tag, & tcm_vhost_get_cmd_state, & tcm_vhost_queue_data_in, & tcm_vhost_queue_status, & tcm_vhost_queue_tm_rsp, & tcm_vhost_make_tport, & tcm_vhost_drop_tport, & tcm_vhost_make_tpg, & tcm_vhost_drop_tpg, & tcm_vhost_port_link, & tcm_vhost_port_unlink, 0, 0, & tcm_vhost_make_nodeacl, & tcm_vhost_drop_nodeacl}; [L12885] int LDV_IN_INTERRUPT ; [L13678] static int ldv_mutex_cred_guard_mutex ; [L13785] static int ldv_mutex_lock ; [L13892] static int ldv_mutex_mtx ; [L13999] static int ldv_mutex_mutex ; [L14106] static int ldv_mutex_tcm_vhost_mutex ; [L14213] static int ldv_mutex_tv_tpg_mutex ; VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, ldv_mutex_tcm_vhost_mutex=0, ldv_mutex_tv_tpg_mutex=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12888] struct inode *var_group1 ; [L12889] struct file *var_group2 ; [L12890] unsigned int var_vhost_scsi_ioctl_44_p1 ; [L12891] unsigned long var_vhost_scsi_ioctl_44_p2 ; [L12892] unsigned int var_vhost_scsi_compat_ioctl_45_p1 ; [L12893] unsigned long var_vhost_scsi_compat_ioctl_45_p2 ; [L12894] int res_vhost_scsi_open_39 ; [L12895] struct se_portal_group *var_group3 ; [L12896] struct se_node_acl *var_group4 ; [L12897] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_7_p2 ; [L12898] int *var_tcm_vhost_get_pr_transport_id_7_p3 ; [L12899] unsigned char *var_tcm_vhost_get_pr_transport_id_7_p4 ; [L12900] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_len_8_p2 ; [L12901] int *var_tcm_vhost_get_pr_transport_id_len_8_p3 ; [L12902] char const *var_tcm_vhost_parse_pr_out_transport_id_9_p1 ; [L12903] u32 *var_tcm_vhost_parse_pr_out_transport_id_9_p2 ; [L12904] char **var_tcm_vhost_parse_pr_out_transport_id_9_p3 ; [L12905] struct se_cmd *var_group5 ; [L12906] struct se_session *var_group6 ; [L12907] struct target_fabric_configfs *var_group7 ; [L12908] struct config_group *var_group8 ; [L12909] char const *var_tcm_vhost_make_tport_59_p2 ; [L12910] struct se_wwn *var_group9 ; [L12911] char const *var_tcm_vhost_make_tpg_57_p2 ; [L12912] struct se_lun *var_group10 ; [L12913] char const *var_tcm_vhost_make_nodeacl_51_p2 ; [L12914] int ldv_s_vhost_scsi_fops_file_operations ; [L12915] int tmp ; [L12916] int tmp___0 ; [L12917] int tmp___1 ; [L12919] ldv_s_vhost_scsi_fops_file_operations = 0 [L12920] LDV_IN_INTERRUPT = 1 [L12921] CALL ldv_initialize() [L14323] ldv_mutex_cred_guard_mutex = 1 [L14324] ldv_mutex_lock = 1 [L14325] ldv_mutex_mtx = 1 [L14326] ldv_mutex_mutex = 1 [L14327] ldv_mutex_tcm_vhost_mutex = 1 [L14328] ldv_mutex_tv_tpg_mutex = 1 VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12921] RET ldv_initialize() [L12922] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12923] CALL, EXPR tcm_vhost_init() [L12839] int ret ; [L12840] struct lock_class_key __key ; [L12841] char const *__lock_name ; [L12842] struct workqueue_struct *tmp ; [L12844] ret = -12 [L12845] __lock_name = "tcm_vhost" [L12846] tmp = __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name) [L12847] tcm_vhost_workqueue = tmp VAL [__alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={366:-365}, __key={368:0}, __lock_name={354:0}, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=-12, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp={366:-365}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12848] COND FALSE !((unsigned long )tcm_vhost_workqueue == (unsigned long )((struct workqueue_struct *)0)) [L12852] CALL, EXPR vhost_scsi_register() [L12191] int tmp ; [L12193] CALL, EXPR misc_register(& vhost_scsi_misc) [L14561] return __VERIFIER_nondet_int(); [L12193] RET, EXPR misc_register(& vhost_scsi_misc) [L12193] tmp = misc_register(& vhost_scsi_misc) [L12194] return (tmp); VAL [\result=0, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12852] RET, EXPR vhost_scsi_register() [L12852] ret = vhost_scsi_register() [L12853] COND FALSE !(ret < 0) [L12857] CALL, EXPR tcm_vhost_register_configfs() [L12748] struct target_fabric_configfs *fabric ; [L12749] int ret ; [L12750] struct _ddebug descriptor ; [L12751] struct new_utsname *tmp ; [L12752] struct new_utsname *tmp___0 ; [L12753] long tmp___1 ; [L12754] long tmp___2 ; [L12755] long tmp___3 ; [L12756] struct _ddebug descriptor___0 ; [L12757] long tmp___4 ; [L12759] descriptor.modname = "tcm_vhost" [L12760] descriptor.function = "tcm_vhost_register_configfs" [L12761] descriptor.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12762] descriptor.format = "TCM_VHOST fabric module %s on %s/%s on 3.7.3\n" [L12763] descriptor.lineno = 1561U [L12764] descriptor.flags = 0U [L12765] EXPR descriptor.flags VAL [__this_module={18446744073709551633:18446744073709551622}, descriptor={367:0}, descriptor.flags=0, descriptor___0={370:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12765] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13675] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={18446744073709551633:18446744073709551622}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12765] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__this_module={18446744073709551633:18446744073709551622}, descriptor={367:0}, descriptor.flags=0, descriptor___0={370:0}, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12765] tmp___1 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L12766] COND FALSE !(tmp___1 != 0L) VAL [__this_module={18446744073709551633:18446744073709551622}, descriptor={367:0}, descriptor___0={370:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12773] CALL, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L14636] CALL, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7220] COND FALSE !(__VERIFIER_nondet_int()) [L7225] return ((void *)0); VAL [\old(size)=1300, \result={0:0}, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, size=1300, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14636] RET, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) VAL [__this_module={18446744073709551633:18446744073709551622}, arg0={18446744073709551633:18446744073709551622}, arg0={18446744073709551633:18446744073709551622}, arg1={341:0}, arg1={341:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct target_fabric_configfs))={0:0}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14636] return ldv_malloc(sizeof(struct target_fabric_configfs)); [L12773] RET, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L12773] fabric = target_fabric_configfs_init(& __this_module, "vhost") [L12774] CALL, EXPR IS_ERR((void const *)fabric) VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L6795] long tmp ; VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L6797] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13675] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={18446744073709551633:18446744073709551622}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L6797] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__this_module={18446744073709551633:18446744073709551622}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L6797] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L6798] return (tmp); VAL [\result=0, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12774] RET, EXPR IS_ERR((void const *)fabric) VAL [__this_module={18446744073709551633:18446744073709551622}, descriptor={367:0}, descriptor___0={370:0}, fabric={0:0}, IS_ERR((void const *)fabric)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12774] tmp___3 = IS_ERR((void const *)fabric) [L12775] COND FALSE !(tmp___3 != 0L) [L12781] fabric->tf_ops = tcm_vhost_ops [L12782] fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_wwn_attrs) [L12783] fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_tpg_attrs) [L12784] fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = 0 [L12785] fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = 0 [L12786] fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = 0 [L12787] fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = 0 [L12788] fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = 0 [L12789] fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = 0 [L12790] fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = 0 [L12791] CALL, EXPR target_fabric_configfs_register(fabric) [L14640] return __VERIFIER_nondet_int(); [L12791] RET, EXPR target_fabric_configfs_register(fabric) [L12791] ret = target_fabric_configfs_register(fabric) [L12792] COND FALSE !(ret < 0) [L12797] tcm_vhost_fabric_configfs = fabric [L12798] descriptor___0.modname = "tcm_vhost" [L12799] descriptor___0.function = "tcm_vhost_register_configfs" [L12800] descriptor___0.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12801] descriptor___0.format = "TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n" [L12802] descriptor___0.lineno = 1599U [L12803] descriptor___0.flags = 0U [L12804] EXPR descriptor___0.flags VAL [__this_module={18446744073709551633:18446744073709551622}, descriptor={367:0}, descriptor___0={370:0}, descriptor___0.flags=0, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12804] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13675] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={18446744073709551633:18446744073709551622}, c=0, exp=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12804] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [__this_module={18446744073709551633:18446744073709551622}, descriptor={367:0}, descriptor___0={370:0}, descriptor___0.flags=0, fabric={0:0}, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12804] tmp___4 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L12805] COND FALSE !(tmp___4 != 0L) VAL [__this_module={18446744073709551633:18446744073709551622}, descriptor={367:0}, descriptor___0={370:0}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, tmp___3=0, tmp___4=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12809] return (0); [L12809] return (0); [L12809] return (0); VAL [\result=0, __this_module={18446744073709551633:18446744073709551622}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp___1=0, tmp___3=0, tmp___4=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12857] RET, EXPR tcm_vhost_register_configfs() [L12857] ret = tcm_vhost_register_configfs() [L12858] COND FALSE !(ret < 0) [L12862] return (0); [L12862] return (0); VAL [\result=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={366:-365}, __lock_name={354:0}, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp={366:-365}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12923] RET, EXPR tcm_vhost_init() [L12923] tmp = tcm_vhost_init() [L12924] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13102] tmp___1 = __VERIFIER_nondet_int() [L13103] COND TRUE tmp___1 != 0 || ldv_s_vhost_scsi_fops_file_operations != 0 VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, tmp___1=1, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12930] tmp___0 = __VERIFIER_nondet_int() [L12932] case 0: [L12945] case 1: [L12953] case 2: [L12957] case 3: VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, tmp___0=3, tmp___1=1, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12958] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, tmp___0=3, tmp___1=1, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12959] CALL vhost_scsi_compat_ioctl(var_group2, var_vhost_scsi_compat_ioctl_45_p1, var_vhost_scsi_compat_ioctl_45_p2) [L12175] void *tmp ; [L12176] long tmp___0 ; [L12178] CALL, EXPR compat_ptr((compat_uptr_t )arg) [L7259] return ((void *)((unsigned long )uptr)); VAL [\old(uptr)=4294967294, \result={0:4294967294}, __this_module={18446744073709551633:18446744073709551622}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, uptr=4294967294, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12178] RET, EXPR compat_ptr((compat_uptr_t )arg) [L12178] tmp = compat_ptr((compat_uptr_t )arg) [L12179] CALL vhost_scsi_ioctl(f, ioctl, (unsigned long )tmp) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12095] struct vhost_scsi *vs ; [L12096] struct vhost_scsi_target backend ; [L12097] void *argp ; [L12098] u64 *featurep ; [L12099] u64 features ; [L12100] int r ; [L12101] int abi_version ; [L12102] unsigned long tmp ; [L12103] int tmp___0 ; [L12104] unsigned long tmp___1 ; [L12105] int tmp___2 ; [L12106] int tmp___3 ; [L12107] int tmp___4 ; [L12108] unsigned long tmp___5 ; [L12109] int tmp___6 ; [L12110] long tmp___7 ; [L12112] EXPR f->private_data [L12112] vs = (struct vhost_scsi *)f->private_data [L12113] argp = (void *)arg [L12114] featurep = (u64 *)argp [L12115] abi_version = 0 [L12117] case 1088991040U: [L12129] case 1088991041U: [L12141] case 1074048834U: [L12148] case 2148052736U: [L12156] case 1074310912U: VAL [\old(arg)=4294967294, \old(bit = (int )write_page & 7)=18446744073709551661, \old(ioctl)=1074310912, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, abi_version={369:0}, arg=4294967294, argp={0:4294967294}, backend={373:0}, bit = (int )write_page & 7=18446744073709551661, f={18446744073709551644:-286}, f={18446744073709551644:-286}, featurep={0:4294967294}, features={371:0}, ioctl=1074310912, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0, vs={18446744073709551675:374}] [L12157] CALL, EXPR copy_from_user((void *)(& features), (void const *)featurep, 8UL) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, from={0:4294967294}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, to={371:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7397] int sz ; [L7398] unsigned long tmp ; [L7399] int __ret_warn_on ; [L7400] long tmp___0 ; [L7401] long tmp___1 ; [L7402] long tmp___2 ; [L7404] tmp = __builtin_object_size((void const *)to, 0) [L7405] sz = (int )tmp VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, from={0:4294967294}, from={0:4294967294}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=4294967295, to={371:0}, to={371:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7406] FCALL might_fault() VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, from={0:4294967294}, from={0:4294967294}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=4294967295, to={371:0}, to={371:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7407] CALL, EXPR ldv__builtin_expect(sz == -1, 1L) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(c)=1, \old(exp)=1, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13675] return (exp); VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(c)=1, \old(exp)=1, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, \result=1, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, c=1, exp=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7407] RET, EXPR ldv__builtin_expect(sz == -1, 1L) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, from={0:4294967294}, from={0:4294967294}, ldv__builtin_expect(sz == -1, 1L)=1, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=4294967295, to={371:0}, to={371:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7407] tmp___1 = ldv__builtin_expect(sz == -1, 1L) [L7408] COND TRUE tmp___1 != 0L VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, from={0:4294967294}, from={0:4294967294}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=4294967295, tmp___1=1, to={371:0}, to={371:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7409] CALL, EXPR _copy_from_user(to, from, (unsigned int )n) VAL [\old(arg2)=8, \old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, arg0={371:0}, arg1={0:4294967294}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14395] return __VERIFIER_nondet_ulong(); [L7409] RET, EXPR _copy_from_user(to, from, (unsigned int )n) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, _copy_from_user(to, from, (unsigned int )n)=18446744073709551616, bit = (int )write_page & 7=18446744073709551661, from={0:4294967294}, from={0:4294967294}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=8, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=4294967295, tmp___1=1, to={371:0}, to={371:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L7409] n = _copy_from_user(to, from, (unsigned int )n) [L7425] return (n); VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(n)=8, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, \result=18446744073709551616, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, from={0:4294967294}, from={0:4294967294}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, n=18446744073709551616, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, sz=-1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=4294967295, tmp___1=1, to={371:0}, to={371:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12157] RET, EXPR copy_from_user((void *)(& features), (void const *)featurep, 8UL) VAL [\old(arg)=4294967294, \old(bit = (int )write_page & 7)=18446744073709551661, \old(ioctl)=1074310912, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, abi_version={369:0}, arg=4294967294, argp={0:4294967294}, backend={373:0}, bit = (int )write_page & 7=18446744073709551661, copy_from_user((void *)(& features), (void const *)featurep, 8UL)=18446744073709551616, f={18446744073709551644:-286}, f={18446744073709551644:-286}, featurep={0:4294967294}, features={371:0}, ioctl=1074310912, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0, vs={18446744073709551675:374}] [L12157] tmp___5 = copy_from_user((void *)(& features), (void const *)featurep, 8UL) [L12158] COND FALSE !(tmp___5 != 0UL) [L12162] EXPR \read(features) [L12162] CALL vhost_scsi_set_features(vs, features) [L12070] int tmp ; VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(features)=67, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, features=67, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0, vs={18446744073709551675:374}, vs={18446744073709551675:374}] [L12072] COND FALSE !((features & 0xffffffffcaffffffULL) != 0ULL) [L12076] CALL ldv_mutex_lock_41(& vs->dev.mutex) [L13443] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={18446744073709551675:398}, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14037] COND TRUE ldv_mutex_mutex == 1 VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={18446744073709551675:398}, lock={18446744073709551675:398}, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14041] ldv_mutex_mutex = 2 VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={18446744073709551675:398}, lock={18446744073709551675:398}, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13443] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, ldv_func_arg1={18446744073709551675:398}, ldv_func_arg1={18446744073709551675:398}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13444] FCALL mutex_lock(ldv_func_arg1) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, ldv_func_arg1={18446744073709551675:398}, ldv_func_arg1={18446744073709551675:398}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L12076] RET ldv_mutex_lock_41(& vs->dev.mutex) [L12077] COND TRUE (features & 67108864ULL) != 0ULL [L12078] CALL vhost_log_access_ok(& vs->dev) [L8496] struct vhost_memory *mp ; [L8497] bool __warned ; [L8498] int tmp ; [L8499] int tmp___0 ; [L8500] int tmp___1 ; VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, dev={18446744073709551675:382}, dev={18446744073709551675:382}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8502] CALL, EXPR debug_lockdep_rcu_enabled() VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14447] return __VERIFIER_nondet_int(); [L8502] RET, EXPR debug_lockdep_rcu_enabled() VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, debug_lockdep_rcu_enabled()=0, dev={18446744073709551675:382}, dev={18446744073709551675:382}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8502] tmp = debug_lockdep_rcu_enabled() [L8503] COND FALSE !(tmp != 0 && ! __warned) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, __warned=1, bit = (int )write_page & 7=18446744073709551661, dev={18446744073709551675:382}, dev={18446744073709551675:382}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, tmp=0, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8513] EXPR dev->memory [L8513] mp = dev->memory [L8514] CALL memory_access_ok(dev, mp, 1) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8418] int i ; [L8419] int ok ; [L8421] i = 0 VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(log_all)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, d={18446744073709551675:382}, d={18446744073709551675:382}, i=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, log_all=1, mem={18446744073709551660:18446744073709551646}, mem={18446744073709551660:18446744073709551646}, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8437] EXPR d->nvqs VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(log_all)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, d={18446744073709551675:382}, d={18446744073709551675:382}, d->nvqs=365, i=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, log_all=1, mem={18446744073709551660:18446744073709551646}, mem={18446744073709551660:18446744073709551646}, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L8437] COND TRUE d->nvqs > i [L8424] EXPR d->vqs [L8424] CALL ldv_mutex_lock_12(& (d->vqs + (unsigned long )i)->mutex) [L13211] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={18446744073709551656:-3}, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14037] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={18446744073709551656:-3}, lock={18446744073709551656:-3}, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L14039] CALL ldv_error() VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] [L13668] reach_error() VAL [\old(bit = (int )write_page & 7)=18446744073709551661, \old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, \old(offset = (unsigned int )((long )ptr) & 4095U)=18446744073709551650, \old(page_link = sg->page_link & 3UL)=18446744073709551673, __this_module={18446744073709551633:18446744073709551622}, bit = (int )write_page & 7=18446744073709551661, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, offset = (unsigned int )((long )ptr) & 4095U=18446744073709551650, page_link = sg->page_link & 3UL=18446744073709551673, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={357:0}, tcm_vhost_mutex={356:0}, tcm_vhost_ops={364:0}, tcm_vhost_tpg_attrs={361:0}, tcm_vhost_tpg_nexus={360:0}, tcm_vhost_workqueue={366:-365}, tcm_vhost_wwn_attrs={363:0}, tcm_vhost_wwn_version={362:0}, vhost_scsi_fops={358:0}, vhost_scsi_misc={359:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 115 procedures, 2457 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 93.7s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 76.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 29876 SdHoareTripleChecker+Valid, 72.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28504 mSDsluCounter, 157266 SdHoareTripleChecker+Invalid, 67.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 111764 mSDsCounter, 5981 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36211 IncrementalHoareTripleChecker+Invalid, 42211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5981 mSolverCounterUnsat, 45502 mSDtfsCounter, 36211 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 740 GetRequests, 630 SyntacticMatches, 5 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3371occurred in iteration=6, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 998 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1315 NumberOfCodeBlocks, 1315 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1294 ConstructedInterpolants, 0 QuantifiedInterpolants, 2281 SizeOfPredicates, 38 NumberOfNonLiveVariables, 8997 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 135/145 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-12 11:43:58,882 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-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.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 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 11:44:00,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:44:00,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:44:00,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:44:00,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:44:00,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:44:00,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:44:00,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:44:00,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:44:00,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:44:00,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:44:00,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:44:00,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:44:00,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:44:00,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:44:00,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:44:00,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:44:00,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:44:00,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:44:00,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:44:00,907 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:44:00,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:44:00,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:44:00,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:44:00,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:44:00,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:44:00,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:44:00,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:44:00,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:44:00,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:44:00,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:44:00,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:44:00,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:44:00,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:44:00,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:44:00,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:44:00,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:44:00,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:44:00,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:44:00,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:44:00,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:44:00,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:44:00,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 11:44:00,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:44:00,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:44:00,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:44:00,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:44:00,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:44:00,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:44:00,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:44:00,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:44:00,978 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:44:00,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:44:00,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:44:00,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:44:00,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:44:00,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:44:00,980 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 11:44:00,980 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 11:44:00,980 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 11:44:00,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:44:00,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:44:00,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:44:00,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:44:00,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:44:00,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:44:00,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:44:00,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:44:00,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:44:00,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:44:00,982 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 11:44:00,983 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 11:44:00,983 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:44:00,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:44:00,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:44:00,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 11:44:00,984 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2022-07-12 11:44:01,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:44:01,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:44:01,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:44:01,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:44:01,388 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:44:01,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-07-12 11:44:01,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28f492782/180de68a05ff47939c9cb2af292ab19f/FLAG59cbc8e61 [2022-07-12 11:44:02,336 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:44:02,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-07-12 11:44:02,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28f492782/180de68a05ff47939c9cb2af292ab19f/FLAG59cbc8e61 [2022-07-12 11:44:02,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28f492782/180de68a05ff47939c9cb2af292ab19f [2022-07-12 11:44:02,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:44:02,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:44:02,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:44:02,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:44:02,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:44:02,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:44:02" (1/1) ... [2022-07-12 11:44:02,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3608d7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:44:02, skipping insertion in model container [2022-07-12 11:44:02,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:44:02" (1/1) ... [2022-07-12 11:44:02,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:44:02,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:44:05,526 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2022-07-12 11:44:05,532 INFO L158 Benchmark]: Toolchain (without parser) took 3085.94ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 24.7MB in the beginning and 50.7MB in the end (delta: -26.0MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-07-12 11:44:05,533 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:44:05,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3082.92ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 24.6MB in the beginning and 50.7MB in the end (delta: -26.1MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-07-12 11:44:05,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3082.92ms. Allocated memory was 54.5MB in the beginning and 104.9MB in the end (delta: 50.3MB). Free memory was 24.6MB in the beginning and 50.7MB in the end (delta: -26.1MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range