./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y --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 7dcd1acfec035cd5bee4d2a2bc431ae75883c3db9d5f940af009bd842b7c20d4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:08:40,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:08:40,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:08:40,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:08:40,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:08:40,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:08:40,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:08:40,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:08:40,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:08:40,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:08:40,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:08:40,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:08:40,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:08:40,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:08:40,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:08:40,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:08:40,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:08:40,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:08:40,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:08:40,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:08:40,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:08:40,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:08:40,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:08:40,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:08:40,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:08:40,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:08:40,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:08:40,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:08:40,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:08:40,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:08:40,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:08:40,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:08:40,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:08:40,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:08:40,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:08:40,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:08:40,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:08:40,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:08:40,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:08:40,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:08:40,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:08:40,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:08:40,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:08:40,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:08:40,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:08:40,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:08:40,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:08:40,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:08:40,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:08:40,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:08:40,713 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:08:40,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:08:40,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:08:40,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:08:40,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:08:40,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:08:40,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:08:40,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:08:40,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:08:40,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:08:40,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:08:40,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:08:40,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:08:40,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:08:40,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:08:40,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:08:40,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:08:40,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:08:40,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:08:40,720 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:08:40,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:08:40,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:08:40,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:08:40,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dcd1acfec035cd5bee4d2a2bc431ae75883c3db9d5f940af009bd842b7c20d4 [2021-11-13 18:08:41,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:08:41,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:08:41,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:08:41,086 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:08:41,087 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:08:41,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i [2021-11-13 18:08:41,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/data/138f14f5f/63e2c8dce219437280cdbb4b1f32b848/FLAG6b86be83f [2021-11-13 18:08:42,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:08:42,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i [2021-11-13 18:08:42,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/data/138f14f5f/63e2c8dce219437280cdbb4b1f32b848/FLAG6b86be83f [2021-11-13 18:08:43,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/data/138f14f5f/63e2c8dce219437280cdbb4b1f32b848 [2021-11-13 18:08:43,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:08:43,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:08:43,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:08:43,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:08:43,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:08:43,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:08:43" (1/1) ... [2021-11-13 18:08:43,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4522567b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:43, skipping insertion in model container [2021-11-13 18:08:43,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:08:43" (1/1) ... [2021-11-13 18:08:43,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:08:43,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:08:52,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i[687738,687751] [2021-11-13 18:08:52,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:08:52,803 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:08:53,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i[687738,687751] [2021-11-13 18:08:53,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:08:54,365 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:08:54,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54 WrapperNode [2021-11-13 18:08:54,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:08:54,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:08:54,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:08:54,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:08:54,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:54,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:55,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:08:55,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:08:55,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:08:55,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:08:55,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:55,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:55,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:55,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:56,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:56,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:56,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:57,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:08:57,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:08:57,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:08:57,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:08:57,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (1/1) ... [2021-11-13 18:08:57,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:08:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:08:57,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:08:57,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a8d949-8842-4736-a144-f542fb54648c/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:08:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 18:08:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 18:08:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_init_start [2021-11-13 18:08:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_init_start [2021-11-13 18:08:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure snic_process_itmf_cmpl [2021-11-13 18:08:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_process_itmf_cmpl [2021-11-13 18:08:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_cq_alloc [2021-11-13 18:08:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_cq_alloc [2021-11-13 18:08:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 18:08:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 18:08:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-13 18:08:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-13 18:08:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-11-13 18:08:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-11-13 18:08:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:08:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:08:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure snic_unlink_and_release_req [2021-11-13 18:08:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_unlink_and_release_req [2021-11-13 18:08:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:08:57,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:08:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_unregister [2021-11-13 18:08:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_unregister [2021-11-13 18:08:57,315 INFO L130 BoogieDeclarations]: Found specification of procedure snic_reset_stats_open [2021-11-13 18:08:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_reset_stats_open [2021-11-13 18:08:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-11-13 18:08:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-11-13 18:08:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_close [2021-11-13 18:08:57,316 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_close [2021-11-13 18:08:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure snic_ioreq_state_to_str [2021-11-13 18:08:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_ioreq_state_to_str [2021-11-13 18:08:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_priv [2021-11-13 18:08:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_priv [2021-11-13 18:08:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure snic_free_all_untagged_reqs [2021-11-13 18:08:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_free_all_untagged_reqs [2021-11-13 18:08:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-13 18:08:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-13 18:08:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-11-13 18:08:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-11-13 18:08:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:08:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:08:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_wq_enable [2021-11-13 18:08:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_wq_enable [2021-11-13 18:08:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure snic_hba_reset_cmpl_handler [2021-11-13 18:08:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_hba_reset_cmpl_handler [2021-11-13 18:08:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-13 18:08:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-13 18:08:57,332 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_get_ctrl [2021-11-13 18:08:57,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_get_ctrl [2021-11-13 18:08:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure snic_hba_reset_scsi_cleanup [2021-11-13 18:08:57,333 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_hba_reset_scsi_cleanup [2021-11-13 18:08:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:08:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:08:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_intr_mask [2021-11-13 18:08:57,334 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_intr_mask [2021-11-13 18:08:57,334 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_alloc_desc_ring [2021-11-13 18:08:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_alloc_desc_ring [2021-11-13 18:08:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2021-11-13 18:08:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2021-11-13 18:08:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_free [2021-11-13 18:08:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_free [2021-11-13 18:08:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-13 18:08:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-13 18:08:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_cmpl_handler [2021-11-13 18:08:57,353 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_cmpl_handler [2021-11-13 18:08:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-13 18:08:57,353 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 18:08:57,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 18:08:57,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 18:08:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 18:08:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure snic_queue_wq_desc [2021-11-13 18:08:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_queue_wq_desc [2021-11-13 18:08:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:08:57,355 INFO L130 BoogieDeclarations]: Found specification of procedure snic_stats_open [2021-11-13 18:08:57,355 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_stats_open [2021-11-13 18:08:57,356 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-13 18:08:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-13 18:08:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_find_tag [2021-11-13 18:08:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_find_tag [2021-11-13 18:08:57,357 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-13 18:08:57,357 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-13 18:08:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-13 18:08:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-13 18:08:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure snic_probe [2021-11-13 18:08:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_probe [2021-11-13 18:08:57,358 INFO L130 BoogieDeclarations]: Found specification of procedure snic_issue_tm_req [2021-11-13 18:08:57,358 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_issue_tm_req [2021-11-13 18:08:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-11-13 18:08:57,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-11-13 18:08:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure snic_free_vnic_res [2021-11-13 18:08:57,360 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_free_vnic_res [2021-11-13 18:08:57,360 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_priv [2021-11-13 18:08:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_cmd_priv [2021-11-13 18:08:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure snic_pci_unmap_rsp_buf [2021-11-13 18:08:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_pci_unmap_rsp_buf [2021-11-13 18:08:57,361 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-13 18:08:57,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-13 18:08:57,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_snic_disc [2021-11-13 18:08:57,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_snic_disc [2021-11-13 18:08:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:08:57,363 INFO L130 BoogieDeclarations]: Found specification of procedure snic_change_queue_depth [2021-11-13 18:08:57,363 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_change_queue_depth [2021-11-13 18:08:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:08:57,364 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:08:57,364 INFO L130 BoogieDeclarations]: Found specification of procedure snic_state_to_str [2021-11-13 18:08:57,365 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_state_to_str [2021-11-13 18:08:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:08:57,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:08:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:08:57,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:08:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:08:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:08:57,366 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_lock_hash [2021-11-13 18:08:57,366 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_lock_hash [2021-11-13 18:08:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:08:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:08:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-13 18:08:57,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-13 18:08:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure snic_reset_stats_release [2021-11-13 18:08:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_reset_stats_release [2021-11-13 18:08:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_seq_show [2021-11-13 18:08:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_seq_show [2021-11-13 18:08:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 18:08:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 18:08:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure snic_scsi_scan_tgt [2021-11-13 18:08:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_scsi_scan_tgt [2021-11-13 18:08:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 18:08:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 18:08:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure snic_debugfs_term [2021-11-13 18:08:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_debugfs_term [2021-11-13 18:08:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:08:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:08:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_spec [2021-11-13 18:08:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_spec [2021-11-13 18:08:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-13 18:08:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-13 18:08:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_sub [2021-11-13 18:08:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_sub [2021-11-13 18:08:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-13 18:08:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-13 18:08:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_open [2021-11-13 18:08:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_open [2021-11-13 18:08:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-13 18:08:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-13 18:08:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure snic_set_state [2021-11-13 18:08:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_set_state [2021-11-13 18:08:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 18:08:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 18:08:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:08:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_status_to_str [2021-11-13 18:08:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_status_to_str [2021-11-13 18:08:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-13 18:08:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-13 18:08:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-13 18:08:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-13 18:08:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure snic_global_data_cleanup [2021-11-13 18:08:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_global_data_cleanup [2021-11-13 18:08:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure snic_get_state [2021-11-13 18:08:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_get_state [2021-11-13 18:08:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_cmd [2021-11-13 18:08:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_cmd [2021-11-13 18:08:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:08:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:08:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:08:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2021-11-13 18:08:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2021-11-13 18:08:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:08:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:08:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_disc [2021-11-13 18:08:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_disc [2021-11-13 18:08:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-13 18:08:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-13 18:08:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure snic_wq_cmpl_handler [2021-11-13 18:08:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_wq_cmpl_handler [2021-11-13 18:08:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-13 18:08:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-13 18:08:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 18:08:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 18:08:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 18:08:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 18:08:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:08:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:08:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_lock_tag [2021-11-13 18:08:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_lock_tag [2021-11-13 18:08:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-13 18:08:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-13 18:08:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-13 18:08:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-13 18:08:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-13 18:08:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-13 18:08:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure snic_free_intr [2021-11-13 18:08:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_free_intr [2021-11-13 18:08:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_wq_disable [2021-11-13 18:08:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_wq_disable [2021-11-13 18:08:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_untagged_req [2021-11-13 18:08:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_untagged_req [2021-11-13 18:08:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:08:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:08:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-13 18:08:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-13 18:08:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:08:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:08:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure snic_itmf_cmpl_handler [2021-11-13 18:08:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_itmf_cmpl_handler [2021-11-13 18:08:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:08:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:08:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure snic_scsi_cleanup [2021-11-13 18:08:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_scsi_cleanup [2021-11-13 18:08:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:08:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:08:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:08:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:08:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-13 18:08:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-13 18:08:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-13 18:08:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-13 18:08:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure snic_clear_intr_mode [2021-11-13 18:08:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_clear_intr_mode [2021-11-13 18:08:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-13 18:08:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-13 18:08:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-13 18:08:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-13 18:08:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-13 18:08:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-13 18:08:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_clear_desc_ring [2021-11-13 18:08:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_clear_desc_ring [2021-11-13 18:08:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:08:57,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:08:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trc_seq_stop [2021-11-13 18:08:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trc_seq_stop [2021-11-13 18:08:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure snic_trace [2021-11-13 18:08:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_trace [2021-11-13 18:08:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-13 18:08:57,417 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-13 18:08:57,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 18:08:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 18:08:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:08:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:08:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure snic_cleanup [2021-11-13 18:08:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_cleanup [2021-11-13 18:08:57,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_11 [2021-11-13 18:08:57,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_11 [2021-11-13 18:08:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_wq_free [2021-11-13 18:08:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_wq_free [2021-11-13 18:08:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:08:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:08:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:08:57,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:08:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:08:57,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:08:57,425 INFO L130 BoogieDeclarations]: Found specification of procedure snic_queuecommand [2021-11-13 18:08:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_queuecommand [2021-11-13 18:08:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 18:08:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 18:08:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-13 18:08:57,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-13 18:08:57,426 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_link [2021-11-13 18:08:57,427 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_link [2021-11-13 18:08:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 18:08:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 18:08:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure snic_req_init [2021-11-13 18:08:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_req_init [2021-11-13 18:08:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure snic_color_dec [2021-11-13 18:08:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_color_dec [2021-11-13 18:08:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure _svnic_dev_cmd2 [2021-11-13 18:08:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure _svnic_dev_cmd2 [2021-11-13 18:08:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:08:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:08:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:08:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_dec [2021-11-13 18:08:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_dec [2021-11-13 18:08:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-11-13 18:08:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-11-13 18:08:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_alloc_ring [2021-11-13 18:08:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_alloc_ring [2021-11-13 18:08:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:08:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-13 18:08:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-13 18:08:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_inc [2021-11-13 18:08:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_inc [2021-11-13 18:08:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:08:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_get_res [2021-11-13 18:08:57,431 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_get_res [2021-11-13 18:08:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure snic_disc_start [2021-11-13 18:08:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_disc_start [2021-11-13 18:08:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_free_desc_ring [2021-11-13 18:08:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_free_desc_ring [2021-11-13 18:08:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-11-13 18:08:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-11-13 18:08:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_hdr_dec [2021-11-13 18:08:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_hdr_dec [2021-11-13 18:08:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure snic_icmnd_cmpl_handler [2021-11-13 18:08:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_icmnd_cmpl_handler [2021-11-13 18:08:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 18:08:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 18:08:57,433 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-13 18:08:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-13 18:08:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-13 18:08:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-13 18:08:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 18:08:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 18:08:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_flush_work [2021-11-13 18:08:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_flush_work [2021-11-13 18:08:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure snic_del_host [2021-11-13 18:08:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_del_host [2021-11-13 18:08:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-13 18:08:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-13 18:08:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost___0 [2021-11-13 18:08:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost___0 [2021-11-13 18:08:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure snic_stats_debugfs_remove [2021-11-13 18:08:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_stats_debugfs_remove [2021-11-13 18:08:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_get_res_count [2021-11-13 18:08:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_get_res_count [2021-11-13 18:08:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure snic_shutdown_scsi_cleanup [2021-11-13 18:08:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_shutdown_scsi_cleanup [2021-11-13 18:08:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-13 18:08:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-13 18:08:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-13 18:08:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-13 18:08:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-11-13 18:08:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-11-13 18:08:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-13 18:08:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-13 18:08:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure snic_release_req_buf [2021-11-13 18:08:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_release_req_buf [2021-11-13 18:08:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure snic_tgt_chkready [2021-11-13 18:08:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_tgt_chkready [2021-11-13 18:08:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_slab_pool [2021-11-13 18:08:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_slab_pool [2021-11-13 18:08:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_fw_service [2021-11-13 18:08:57,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_fw_service [2021-11-13 18:08:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2021-11-13 18:08:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2021-11-13 18:08:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_link_status [2021-11-13 18:08:57,439 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_link_status [2021-11-13 18:08:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-13 18:08:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-13 18:08:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_notify_unset [2021-11-13 18:08:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_notify_unset [2021-11-13 18:08:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_disable [2021-11-13 18:08:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_disable [2021-11-13 18:08:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure snic_handle_tgt_disc [2021-11-13 18:08:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_handle_tgt_disc [2021-11-13 18:08:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2021-11-13 18:08:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2021-11-13 18:08:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure snic_reset_stats_write [2021-11-13 18:08:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_reset_stats_write [2021-11-13 18:08:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:08:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:08:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-13 18:08:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-13 18:08:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work___1 [2021-11-13 18:08:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work___1 [2021-11-13 18:08:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-13 18:08:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-13 18:08:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:08:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-13 18:08:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-13 18:08:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_timespec [2021-11-13 18:08:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_timespec [2021-11-13 18:08:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-11-13 18:08:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-11-13 18:08:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:08:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:08:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure snic_remove [2021-11-13 18:08:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_remove [2021-11-13 18:08:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_add_return [2021-11-13 18:08:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_add_return [2021-11-13 18:08:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-11-13 18:08:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-11-13 18:08:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 18:08:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 18:08:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure snic_tgt_del [2021-11-13 18:08:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_tgt_del [2021-11-13 18:08:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_get_intr_mode [2021-11-13 18:08:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_get_intr_mode [2021-11-13 18:08:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 18:08:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-13 18:08:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-13 18:08:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-13 18:08:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure snic_iounmap [2021-11-13 18:08:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_iounmap [2021-11-13 18:08:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure snic_req_free [2021-11-13 18:08:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_req_free [2021-11-13 18:08:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2021-11-13 18:08:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2021-11-13 18:08:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_snic_disc [2021-11-13 18:08:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_snic_disc [2021-11-13 18:08:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-13 18:08:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-13 18:08:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure snic_hex_dump [2021-11-13 18:08:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_hex_dump [2021-11-13 18:08:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-13 18:08:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-13 18:08:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure snic_tmreq_pending [2021-11-13 18:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_tmreq_pending [2021-11-13 18:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure snic_print_desc [2021-11-13 18:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_print_desc [2021-11-13 18:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure snic_dev_wait [2021-11-13 18:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_dev_wait [2021-11-13 18:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure snic_release_untagged_req [2021-11-13 18:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_release_untagged_req [2021-11-13 18:08:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure snic_stats_update_io_cmpl [2021-11-13 18:08:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_stats_update_io_cmpl [2021-11-13 18:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-11-13 18:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-13 18:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-13 18:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure snic_fwcq_cmpl_handler [2021-11-13 18:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_fwcq_cmpl_handler [2021-11-13 18:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_snic_target [2021-11-13 18:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_snic_target [2021-11-13 18:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 18:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-13 18:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure snic_queue_abort_req [2021-11-13 18:08:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_queue_abort_req [2021-11-13 18:08:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure snic_io_hdr_enc [2021-11-13 18:08:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure snic_io_hdr_enc [2021-11-13 18:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2021-11-13 18:08:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2021-11-13 18:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:08:57,561 INFO L130 BoogieDeclarations]: Found specification of procedure svnic_dev_set_intr_mode [2021-11-13 18:08:57,561 INFO L138 BoogieDeclarations]: Found implementation of procedure svnic_dev_set_intr_mode [2021-11-13 18:09:01,491 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:15:31,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:15:31,802 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:15:31,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:31 BoogieIcfgContainer [2021-11-13 18:15:31,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:15:31,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:15:31,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:15:31,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:15:31,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:08:43" (1/3) ... [2021-11-13 18:15:31,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4284b59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:15:31, skipping insertion in model container [2021-11-13 18:15:31,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:08:54" (2/3) ... [2021-11-13 18:15:31,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4284b59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:15:31, skipping insertion in model container [2021-11-13 18:15:31,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:31" (3/3) ... [2021-11-13 18:15:31,825 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--snic--snic.ko-entry_point.cil.out.i [2021-11-13 18:15:31,832 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:15:31,832 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:15:31,945 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:15:31,953 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:15:31,953 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:15:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 5563 states, 3614 states have (on average 1.3129496402877698) internal successors, (4745), 3780 states have internal predecessors, (4745), 1745 states have call successors, (1745), 203 states have call predecessors, (1745), 202 states have return successors, (1730), 1709 states have call predecessors, (1730), 1730 states have call successors, (1730) [2021-11-13 18:15:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 18:15:32,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:15:32,147 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:15:32,148 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:15:32,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:32,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1608886395, now seen corresponding path program 1 times [2021-11-13 18:15:32,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:15:32,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727920417] [2021-11-13 18:15:32,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:15:32,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:15:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:15:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:15:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:15:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:15:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:15:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:15:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:15:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:34,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:15:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 18:15:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:15:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 18:15:35,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:15:35,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727920417] [2021-11-13 18:15:35,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727920417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:15:35,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:15:35,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:15:35,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059412905] [2021-11-13 18:15:35,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:15:35,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:15:35,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:15:35,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:15:35,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:15:35,113 INFO L87 Difference]: Start difference. First operand has 5563 states, 3614 states have (on average 1.3129496402877698) internal successors, (4745), 3780 states have internal predecessors, (4745), 1745 states have call successors, (1745), 203 states have call predecessors, (1745), 202 states have return successors, (1730), 1709 states have call predecessors, (1730), 1730 states have call successors, (1730) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:15:37,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:39,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:41,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:45,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:47,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:49,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:57,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:15:59,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:01,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:06,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:08,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:10,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:19,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:21,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:23,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:39,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:41,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:44,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:44,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:16:44,886 INFO L93 Difference]: Finished difference Result 11868 states and 17862 transitions. [2021-11-13 18:16:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:16:44,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2021-11-13 18:16:44,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:16:44,988 INFO L225 Difference]: With dead ends: 11868 [2021-11-13 18:16:44,988 INFO L226 Difference]: Without dead ends: 6279 [2021-11-13 18:16:45,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:16:45,045 INFO L933 BasicCegarLoop]: 7665 mSDtfsCounter, 2937 mSDsluCounter, 9547 mSDsCounter, 0 mSdLazyCounter, 6972 mSolverCounterSat, 4681 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64939.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 17212 SdHoareTripleChecker+Invalid, 11671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 234.84ms SdHoareTripleChecker+Time, 4681 IncrementalHoareTripleChecker+Valid, 6972 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68551.02ms IncrementalHoareTripleChecker+Time [2021-11-13 18:16:45,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3083 Valid, 17212 Invalid, 11671 Unknown, 0 Unchecked, 234.84ms Time], IncrementalHoareTripleChecker [4681 Valid, 6972 Invalid, 18 Unknown, 0 Unchecked, 68551.02ms Time] [2021-11-13 18:16:45,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6279 states. [2021-11-13 18:16:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6279 to 5533. [2021-11-13 18:16:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5533 states, 3601 states have (on average 1.3057484032213273) internal successors, (4702), 3750 states have internal predecessors, (4702), 1730 states have call successors, (1730), 202 states have call predecessors, (1730), 201 states have return successors, (1724), 1703 states have call predecessors, (1724), 1724 states have call successors, (1724) [2021-11-13 18:16:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5533 states to 5533 states and 8156 transitions. [2021-11-13 18:16:46,031 INFO L78 Accepts]: Start accepts. Automaton has 5533 states and 8156 transitions. Word has length 74 [2021-11-13 18:16:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:16:46,032 INFO L470 AbstractCegarLoop]: Abstraction has 5533 states and 8156 transitions. [2021-11-13 18:16:46,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:16:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5533 states and 8156 transitions. [2021-11-13 18:16:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 18:16:46,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:16:46,048 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:16:46,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:16:46,049 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:16:46,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:16:46,051 INFO L85 PathProgramCache]: Analyzing trace with hash 838401407, now seen corresponding path program 1 times [2021-11-13 18:16:46,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:16:46,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178000092] [2021-11-13 18:16:46,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:16:46,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:16:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:16:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:16:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:16:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:16:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:16:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:16:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:16:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:16:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 18:16:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:16:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 18:16:48,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:16:48,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178000092] [2021-11-13 18:16:48,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178000092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:16:48,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:16:48,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:16:48,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190590207] [2021-11-13 18:16:48,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:16:48,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:16:48,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:16:48,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:16:48,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:16:48,193 INFO L87 Difference]: Start difference. First operand 5533 states and 8156 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:16:50,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:52,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:56,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:16:58,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:05,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:07,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:11,378 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:13,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:21,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:23,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:34,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:36,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:17:36,722 INFO L93 Difference]: Finished difference Result 6381 states and 9486 transitions. [2021-11-13 18:17:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:17:36,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2021-11-13 18:17:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:17:36,794 INFO L225 Difference]: With dead ends: 6381 [2021-11-13 18:17:36,795 INFO L226 Difference]: Without dead ends: 6376 [2021-11-13 18:17:36,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:17:36,805 INFO L933 BasicCegarLoop]: 7601 mSDtfsCounter, 9706 mSDsluCounter, 6774 mSDsCounter, 0 mSdLazyCounter, 5112 mSolverCounterSat, 5999 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44774.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10857 SdHoareTripleChecker+Valid, 14375 SdHoareTripleChecker+Invalid, 11123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 130.68ms SdHoareTripleChecker+Time, 5999 IncrementalHoareTripleChecker+Valid, 5112 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47756.66ms IncrementalHoareTripleChecker+Time [2021-11-13 18:17:36,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10857 Valid, 14375 Invalid, 11123 Unknown, 0 Unchecked, 130.68ms Time], IncrementalHoareTripleChecker [5999 Valid, 5112 Invalid, 12 Unknown, 0 Unchecked, 47756.66ms Time] [2021-11-13 18:17:36,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6376 states. [2021-11-13 18:17:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6376 to 5621. [2021-11-13 18:17:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5621 states, 3664 states have (on average 1.3018558951965065) internal successors, (4770), 3811 states have internal predecessors, (4770), 1734 states have call successors, (1734), 223 states have call predecessors, (1734), 222 states have return successors, (1730), 1709 states have call predecessors, (1730), 1730 states have call successors, (1730) [2021-11-13 18:17:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5621 states to 5621 states and 8234 transitions. [2021-11-13 18:17:37,585 INFO L78 Accepts]: Start accepts. Automaton has 5621 states and 8234 transitions. Word has length 74 [2021-11-13 18:17:37,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:17:37,587 INFO L470 AbstractCegarLoop]: Abstraction has 5621 states and 8234 transitions. [2021-11-13 18:17:37,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:17:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5621 states and 8234 transitions. [2021-11-13 18:17:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 18:17:37,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:17:37,597 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:17:37,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:17:37,597 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:17:37,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:17:37,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1963703854, now seen corresponding path program 1 times [2021-11-13 18:17:37,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:17:37,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866582112] [2021-11-13 18:17:37,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:17:37,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:17:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:17:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:17:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:17:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:17:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:17:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:17:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:17:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:17:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-13 18:17:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:17:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-13 18:17:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 18:17:39,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:17:39,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866582112] [2021-11-13 18:17:39,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866582112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:17:39,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:17:39,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:17:39,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883870502] [2021-11-13 18:17:39,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:17:39,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:17:39,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:17:39,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:17:39,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:17:39,769 INFO L87 Difference]: Start difference. First operand 5621 states and 8234 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (13), 7 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 18:17:42,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:44,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:46,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:48,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:53,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:17:55,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:04,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:06,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:11,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:13,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:22,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:24,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:42,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:44,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:46,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:18:46,893 INFO L93 Difference]: Finished difference Result 7260 states and 10878 transitions. [2021-11-13 18:18:46,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 18:18:46,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (13), 7 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2021-11-13 18:18:46,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:18:46,961 INFO L225 Difference]: With dead ends: 7260 [2021-11-13 18:18:46,961 INFO L226 Difference]: Without dead ends: 7257 [2021-11-13 18:18:46,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-11-13 18:18:46,967 INFO L933 BasicCegarLoop]: 7022 mSDtfsCounter, 7035 mSDsluCounter, 10982 mSDsCounter, 0 mSdLazyCounter, 13576 mSolverCounterSat, 8313 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61325.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7952 SdHoareTripleChecker+Valid, 18004 SdHoareTripleChecker+Invalid, 21903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 184.28ms SdHoareTripleChecker+Time, 8313 IncrementalHoareTripleChecker+Valid, 13576 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65921.47ms IncrementalHoareTripleChecker+Time [2021-11-13 18:18:46,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7952 Valid, 18004 Invalid, 21903 Unknown, 0 Unchecked, 184.28ms Time], IncrementalHoareTripleChecker [8313 Valid, 13576 Invalid, 14 Unknown, 0 Unchecked, 65921.47ms Time] [2021-11-13 18:18:46,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7257 states. [2021-11-13 18:18:47,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7257 to 5620. [2021-11-13 18:18:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5620 states, 3664 states have (on average 1.3015829694323144) internal successors, (4769), 3810 states have internal predecessors, (4769), 1733 states have call successors, (1733), 223 states have call predecessors, (1733), 222 states have return successors, (1730), 1709 states have call predecessors, (1730), 1730 states have call successors, (1730) [2021-11-13 18:18:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5620 states to 5620 states and 8232 transitions. [2021-11-13 18:18:47,561 INFO L78 Accepts]: Start accepts. Automaton has 5620 states and 8232 transitions. Word has length 86 [2021-11-13 18:18:47,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:18:47,563 INFO L470 AbstractCegarLoop]: Abstraction has 5620 states and 8232 transitions. [2021-11-13 18:18:47,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (13), 7 states have call predecessors, (13), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 18:18:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5620 states and 8232 transitions. [2021-11-13 18:18:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 18:18:47,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:18:47,572 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:18:47,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:18:47,573 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:18:47,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1618625468, now seen corresponding path program 1 times [2021-11-13 18:18:47,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:47,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906977681] [2021-11-13 18:18:47,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:47,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:18:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:18:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:18:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:18:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:18:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:18:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:18:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:18:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-13 18:18:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:18:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 18:18:49,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:49,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906977681] [2021-11-13 18:18:49,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906977681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:49,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:49,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:18:49,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913023394] [2021-11-13 18:18:49,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:49,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:18:49,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:49,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:18:49,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:18:49,477 INFO L87 Difference]: Start difference. First operand 5620 states and 8232 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 18:18:51,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:54,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:18:57,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:04,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:08,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:16,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:26,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:27,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:19:27,660 INFO L93 Difference]: Finished difference Result 6952 states and 10411 transitions. [2021-11-13 18:19:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:19:27,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2021-11-13 18:19:27,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:19:27,724 INFO L225 Difference]: With dead ends: 6952 [2021-11-13 18:19:27,725 INFO L226 Difference]: Without dead ends: 6949 [2021-11-13 18:19:27,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:19:27,732 INFO L933 BasicCegarLoop]: 7671 mSDtfsCounter, 13321 mSDsluCounter, 6673 mSDsCounter, 0 mSdLazyCounter, 5074 mSolverCounterSat, 12203 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34071.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14578 SdHoareTripleChecker+Valid, 14344 SdHoareTripleChecker+Invalid, 17284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 129.84ms SdHoareTripleChecker+Time, 12203 IncrementalHoareTripleChecker+Valid, 5074 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37389.36ms IncrementalHoareTripleChecker+Time [2021-11-13 18:19:27,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14578 Valid, 14344 Invalid, 17284 Unknown, 0 Unchecked, 129.84ms Time], IncrementalHoareTripleChecker [12203 Valid, 5074 Invalid, 7 Unknown, 0 Unchecked, 37389.36ms Time] [2021-11-13 18:19:27,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6949 states. [2021-11-13 18:19:28,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6949 to 5619. [2021-11-13 18:19:28,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5619 states, 3664 states have (on average 1.3013100436681222) internal successors, (4768), 3809 states have internal predecessors, (4768), 1732 states have call successors, (1732), 223 states have call predecessors, (1732), 222 states have return successors, (1730), 1709 states have call predecessors, (1730), 1730 states have call successors, (1730) [2021-11-13 18:19:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5619 states and 8230 transitions. [2021-11-13 18:19:28,381 INFO L78 Accepts]: Start accepts. Automaton has 5619 states and 8230 transitions. Word has length 84 [2021-11-13 18:19:28,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:19:28,383 INFO L470 AbstractCegarLoop]: Abstraction has 5619 states and 8230 transitions. [2021-11-13 18:19:28,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 18:19:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5619 states and 8230 transitions. [2021-11-13 18:19:28,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 18:19:28,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:19:28,388 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:19:28,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:19:28,388 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:19:28,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:28,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1365079829, now seen corresponding path program 1 times [2021-11-13 18:19:28,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:19:28,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556324735] [2021-11-13 18:19:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:28,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:19:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:19:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:29,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:19:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:19:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:19:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:19:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:19:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:19:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:19:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-13 18:19:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:19:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 18:19:30,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:19:30,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556324735] [2021-11-13 18:19:30,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556324735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:30,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:30,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:19:30,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463067739] [2021-11-13 18:19:30,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:30,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:19:30,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:19:30,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:19:30,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:19:30,190 INFO L87 Difference]: Start difference. First operand 5619 states and 8230 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 18:19:32,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:34,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:36,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:40,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:42,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:50,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:52,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:56,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:58,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:07,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:09,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:23,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:26,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:26,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:20:26,887 INFO L93 Difference]: Finished difference Result 6951 states and 10409 transitions. [2021-11-13 18:20:26,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:20:26,887 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2021-11-13 18:20:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:20:26,927 INFO L225 Difference]: With dead ends: 6951 [2021-11-13 18:20:26,928 INFO L226 Difference]: Without dead ends: 6948 [2021-11-13 18:20:26,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:20:26,935 INFO L933 BasicCegarLoop]: 7640 mSDtfsCounter, 11744 mSDsluCounter, 9726 mSDsCounter, 0 mSdLazyCounter, 7475 mSolverCounterSat, 9628 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52138.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12995 SdHoareTripleChecker+Valid, 17366 SdHoareTripleChecker+Invalid, 17116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 143.50ms SdHoareTripleChecker+Time, 9628 IncrementalHoareTripleChecker+Valid, 7475 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55885.04ms IncrementalHoareTripleChecker+Time [2021-11-13 18:20:26,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12995 Valid, 17366 Invalid, 17116 Unknown, 0 Unchecked, 143.50ms Time], IncrementalHoareTripleChecker [9628 Valid, 7475 Invalid, 13 Unknown, 0 Unchecked, 55885.04ms Time] [2021-11-13 18:20:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6948 states. [2021-11-13 18:20:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6948 to 5618. [2021-11-13 18:20:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5618 states, 3664 states have (on average 1.3010371179039302) internal successors, (4767), 3808 states have internal predecessors, (4767), 1731 states have call successors, (1731), 223 states have call predecessors, (1731), 222 states have return successors, (1730), 1709 states have call predecessors, (1730), 1730 states have call successors, (1730) [2021-11-13 18:20:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5618 states to 5618 states and 8228 transitions. [2021-11-13 18:20:27,640 INFO L78 Accepts]: Start accepts. Automaton has 5618 states and 8228 transitions. Word has length 85 [2021-11-13 18:20:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:20:27,640 INFO L470 AbstractCegarLoop]: Abstraction has 5618 states and 8228 transitions. [2021-11-13 18:20:27,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 18:20:27,641 INFO L276 IsEmpty]: Start isEmpty. Operand 5618 states and 8228 transitions. [2021-11-13 18:20:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 18:20:27,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:20:27,651 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:20:27,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:20:27,652 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:20:27,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:20:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash 629341343, now seen corresponding path program 1 times [2021-11-13 18:20:27,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:20:27,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060850972] [2021-11-13 18:20:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:20:27,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:20:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:20:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:20:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:28,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:20:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:20:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:20:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:20:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-13 18:20:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:20:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-13 18:20:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:20:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-13 18:20:29,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:20:29,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060850972] [2021-11-13 18:20:29,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060850972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:20:29,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:20:29,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:20:29,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059770239] [2021-11-13 18:20:29,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:20:29,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:20:29,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:20:29,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:20:29,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:20:29,187 INFO L87 Difference]: Start difference. First operand 5618 states and 8228 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 18:20:31,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:34,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:41,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:45,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:20:52,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:21:05,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:21:06,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:21:06,073 INFO L93 Difference]: Finished difference Result 6948 states and 10406 transitions. [2021-11-13 18:21:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:21:06,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2021-11-13 18:21:06,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:21:06,075 INFO L225 Difference]: With dead ends: 6948 [2021-11-13 18:21:06,075 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:21:06,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:21:06,115 INFO L933 BasicCegarLoop]: 7667 mSDtfsCounter, 12040 mSDsluCounter, 6945 mSDsCounter, 0 mSdLazyCounter, 5342 mSolverCounterSat, 9741 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32980.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13297 SdHoareTripleChecker+Valid, 14612 SdHoareTripleChecker+Invalid, 15089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 117.92ms SdHoareTripleChecker+Time, 9741 IncrementalHoareTripleChecker+Valid, 5342 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36095.66ms IncrementalHoareTripleChecker+Time [2021-11-13 18:21:06,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13297 Valid, 14612 Invalid, 15089 Unknown, 0 Unchecked, 117.92ms Time], IncrementalHoareTripleChecker [9741 Valid, 5342 Invalid, 6 Unknown, 0 Unchecked, 36095.66ms Time] [2021-11-13 18:21:06,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:21:06,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:21:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:21:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:21:06,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 86 [2021-11-13 18:21:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:21:06,120 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:21:06,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 18:21:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:21:06,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:21:06,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:21:06,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:21:06,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.