./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN --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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:38:46,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:38:46,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:38:46,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:38:46,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:38:46,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:38:46,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:38:46,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:38:46,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:38:46,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:38:46,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:38:46,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:38:46,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:38:46,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:38:46,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:38:46,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:38:46,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:38:46,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:38:46,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:38:46,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:38:46,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:38:46,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:38:46,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:38:46,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:38:46,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:38:46,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:38:46,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:38:46,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:38:46,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:38:46,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:38:46,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:38:46,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:38:46,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:38:46,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:38:46,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:38:46,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:38:46,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:38:46,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:38:46,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:38:46,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:38:46,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:38:46,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:38:46,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:38:46,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:38:46,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:38:46,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:38:46,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:38:46,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:38:46,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:38:46,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:38:46,782 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:38:46,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:38:46,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:38:46,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:38:46,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:38:46,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:38:46,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:38:46,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:38:46,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:38:46,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:38:46,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:38:46,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:38:46,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:38:46,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:38:46,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:38:46,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:38:46,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:38:46,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:38:46,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:38:46,787 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:38:46,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:38:46,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:38:46,788 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_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-11-20 11:38:47,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:38:47,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:38:47,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:38:47,162 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:38:47,163 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:38:47,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-20 11:38:50,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:38:50,839 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:38:50,840 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-20 11:38:50,878 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data/ba2f34ef7/460e020ee97949568db575e8288cc27f/FLAG5ba811430 [2022-11-20 11:38:50,896 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data/ba2f34ef7/460e020ee97949568db575e8288cc27f [2022-11-20 11:38:50,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:38:50,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:38:50,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:38:50,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:38:50,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:38:50,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:38:50" (1/1) ... [2022-11-20 11:38:50,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0ce050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:50, skipping insertion in model container [2022-11-20 11:38:50,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:38:50" (1/1) ... [2022-11-20 11:38:50,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:38:51,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:38:52,110 WARN L237 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_a0d9442f-d149-4b45-af4f-d29abeff1eaa/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-20 11:38:52,726 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-20 11:38:52,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:38:52,767 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:38:52,912 WARN L237 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_a0d9442f-d149-4b45-af4f-d29abeff1eaa/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-20 11:38:53,154 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-20 11:38:53,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:38:53,218 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:38:53,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53 WrapperNode [2022-11-20 11:38:53,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:38:53,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:38:53,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:38:53,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:38:53,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,420 INFO L138 Inliner]: procedures = 184, calls = 849, calls flagged for inlining = 74, calls inlined = 63, statements flattened = 2101 [2022-11-20 11:38:53,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:38:53,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:38:53,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:38:53,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:38:53,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:38:53,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:38:53,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:38:53,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:38:53,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (1/1) ... [2022-11-20 11:38:53,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:38:53,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:38:53,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:38:53,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:38:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2022-11-20 11:38:53,715 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2022-11-20 11:38:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 11:38:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 11:38:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2022-11-20 11:38:53,716 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2022-11-20 11:38:53,716 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 11:38:53,718 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 11:38:53,718 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2022-11-20 11:38:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2022-11-20 11:38:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:38:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:38:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:38:53,719 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-20 11:38:53,719 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-20 11:38:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2022-11-20 11:38:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2022-11-20 11:38:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-20 11:38:53,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-20 11:38:53,720 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2022-11-20 11:38:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2022-11-20 11:38:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:38:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:38:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-20 11:38:53,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-20 11:38:53,721 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2022-11-20 11:38:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2022-11-20 11:38:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2022-11-20 11:38:53,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2022-11-20 11:38:53,722 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2022-11-20 11:38:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2022-11-20 11:38:53,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-20 11:38:53,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-20 11:38:53,724 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:38:53,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:38:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2022-11-20 11:38:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2022-11-20 11:38:53,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2022-11-20 11:38:53,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2022-11-20 11:38:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 11:38:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 11:38:53,726 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 11:38:53,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 11:38:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:38:53,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:38:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:38:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:38:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:38:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2022-11-20 11:38:53,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2022-11-20 11:38:53,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:38:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:38:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-11-20 11:38:53,732 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-11-20 11:38:53,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:38:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:38:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:38:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:38:53,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:38:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2022-11-20 11:38:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2022-11-20 11:38:53,735 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:38:53,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:38:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 11:38:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 11:38:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:38:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2022-11-20 11:38:53,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2022-11-20 11:38:53,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:38:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:38:53,737 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:38:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:38:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 11:38:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-20 11:38:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-20 11:38:53,738 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 11:38:53,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 11:38:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:38:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:38:53,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-20 11:38:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-20 11:38:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 11:38:53,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 11:38:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:38:53,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:38:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:38:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:38:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2022-11-20 11:38:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2022-11-20 11:38:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2022-11-20 11:38:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2022-11-20 11:38:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 11:38:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 11:38:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-11-20 11:38:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-11-20 11:38:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 11:38:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 11:38:53,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:38:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:38:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-20 11:38:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-20 11:38:53,744 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 11:38:53,744 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 11:38:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2022-11-20 11:38:53,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2022-11-20 11:38:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2022-11-20 11:38:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2022-11-20 11:38:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2022-11-20 11:38:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2022-11-20 11:38:53,746 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 11:38:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 11:38:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:38:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:38:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 11:38:53,747 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 11:38:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 11:38:53,749 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 11:38:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2022-11-20 11:38:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2022-11-20 11:38:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2022-11-20 11:38:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2022-11-20 11:38:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:38:53,754 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2022-11-20 11:38:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2022-11-20 11:38:53,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:38:53,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:38:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 11:38:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 11:38:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:38:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:38:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-20 11:38:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-20 11:38:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2022-11-20 11:38:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2022-11-20 11:38:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:38:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:38:54,394 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:38:54,399 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:38:54,905 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:38:57,376 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:38:57,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:38:57,405 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-20 11:38:57,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:57 BoogieIcfgContainer [2022-11-20 11:38:57,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:38:57,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:38:57,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:38:57,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:38:57,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:38:50" (1/3) ... [2022-11-20 11:38:57,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba25ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:38:57, skipping insertion in model container [2022-11-20 11:38:57,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:53" (2/3) ... [2022-11-20 11:38:57,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba25ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:38:57, skipping insertion in model container [2022-11-20 11:38:57,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:57" (3/3) ... [2022-11-20 11:38:57,423 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-20 11:38:57,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:38:57,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:38:57,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:38:57,560 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78e6a426, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:38:57,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:38:57,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 846 states, 591 states have (on average 1.3265651438240271) internal successors, (784), 608 states have internal predecessors, (784), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2022-11-20 11:38:57,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 11:38:57,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:57,590 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 11:38:57,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:57,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:57,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1155550102, now seen corresponding path program 1 times [2022-11-20 11:38:57,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:38:57,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433703728] [2022-11-20 11:38:57,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:38:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:38:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:38:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:38:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:38:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 11:38:58,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:38:58,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433703728] [2022-11-20 11:38:58,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433703728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:38:58,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:38:58,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:38:58,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058785433] [2022-11-20 11:38:58,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:38:58,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:38:58,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:38:58,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:38:58,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:38:58,469 INFO L87 Difference]: Start difference. First operand has 846 states, 591 states have (on average 1.3265651438240271) internal successors, (784), 608 states have internal predecessors, (784), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:39:03,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:39:05,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:05,126 INFO L93 Difference]: Finished difference Result 2690 states and 3904 transitions. [2022-11-20 11:39:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:39:05,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 11:39:05,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:05,160 INFO L225 Difference]: With dead ends: 2690 [2022-11-20 11:39:05,160 INFO L226 Difference]: Without dead ends: 1803 [2022-11-20 11:39:05,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:39:05,177 INFO L413 NwaCegarLoop]: 975 mSDtfsCounter, 1695 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:05,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 3552 Invalid, 3268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [544 Valid, 2724 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-20 11:39:05,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2022-11-20 11:39:05,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1641. [2022-11-20 11:39:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1151 states have (on average 1.306689834926151) internal successors, (1504), 1176 states have internal predecessors, (1504), 370 states have call successors, (370), 118 states have call predecessors, (370), 119 states have return successors, (383), 368 states have call predecessors, (383), 369 states have call successors, (383) [2022-11-20 11:39:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2257 transitions. [2022-11-20 11:39:05,416 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2257 transitions. Word has length 32 [2022-11-20 11:39:05,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:05,417 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2257 transitions. [2022-11-20 11:39:05,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:39:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2257 transitions. [2022-11-20 11:39:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 11:39:05,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:05,435 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:05,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:39:05,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:05,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:05,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1862262379, now seen corresponding path program 1 times [2022-11-20 11:39:05,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:39:05,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062803898] [2022-11-20 11:39:05,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:39:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:39:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:39:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 11:39:05,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:39:05,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062803898] [2022-11-20 11:39:05,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062803898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:05,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:05,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:39:05,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861099448] [2022-11-20 11:39:05,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:05,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:39:05,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:39:05,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:39:05,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:39:05,720 INFO L87 Difference]: Start difference. First operand 1641 states and 2257 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:39:10,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:39:11,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:11,759 INFO L93 Difference]: Finished difference Result 3671 states and 5198 transitions. [2022-11-20 11:39:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:39:11,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2022-11-20 11:39:11,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:11,774 INFO L225 Difference]: With dead ends: 3671 [2022-11-20 11:39:11,775 INFO L226 Difference]: Without dead ends: 2038 [2022-11-20 11:39:11,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:39:11,783 INFO L413 NwaCegarLoop]: 758 mSDtfsCounter, 1136 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 2784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:11,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 1967 Invalid, 2784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-20 11:39:11,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2022-11-20 11:39:11,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1742. [2022-11-20 11:39:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1228 states have (on average 1.3053745928338762) internal successors, (1603), 1256 states have internal predecessors, (1603), 382 states have call successors, (382), 127 states have call predecessors, (382), 131 states have return successors, (401), 380 states have call predecessors, (401), 381 states have call successors, (401) [2022-11-20 11:39:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2386 transitions. [2022-11-20 11:39:11,921 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2386 transitions. Word has length 77 [2022-11-20 11:39:11,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:11,922 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2386 transitions. [2022-11-20 11:39:11,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:39:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2386 transitions. [2022-11-20 11:39:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 11:39:11,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:11,936 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:11,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:39:11,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:11,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:11,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2003328392, now seen corresponding path program 1 times [2022-11-20 11:39:11,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:39:11,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302442546] [2022-11-20 11:39:11,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:11,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:39:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:39:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:39:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:39:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:39:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 11:39:12,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:39:12,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302442546] [2022-11-20 11:39:12,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302442546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:12,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:12,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:39:12,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135867376] [2022-11-20 11:39:12,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:12,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:39:12,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:39:12,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:39:12,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:39:12,273 INFO L87 Difference]: Start difference. First operand 1742 states and 2386 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-20 11:39:17,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:39:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:19,639 INFO L93 Difference]: Finished difference Result 5304 states and 7534 transitions. [2022-11-20 11:39:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:39:19,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2022-11-20 11:39:19,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:19,661 INFO L225 Difference]: With dead ends: 5304 [2022-11-20 11:39:19,661 INFO L226 Difference]: Without dead ends: 3591 [2022-11-20 11:39:19,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:39:19,669 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 2254 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 1101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 3627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1101 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:19,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 1967 Invalid, 3627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1101 Valid, 2526 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-20 11:39:19,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3591 states. [2022-11-20 11:39:19,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3591 to 3024. [2022-11-20 11:39:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 2150 states have (on average 1.2958139534883721) internal successors, (2786), 2192 states have internal predecessors, (2786), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-11-20 11:39:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 4073 transitions. [2022-11-20 11:39:19,860 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 4073 transitions. Word has length 101 [2022-11-20 11:39:19,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:19,863 INFO L495 AbstractCegarLoop]: Abstraction has 3024 states and 4073 transitions. [2022-11-20 11:39:19,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-20 11:39:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 4073 transitions. [2022-11-20 11:39:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 11:39:19,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:19,871 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:19,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:39:19,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:19,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:19,872 INFO L85 PathProgramCache]: Analyzing trace with hash -925703400, now seen corresponding path program 1 times [2022-11-20 11:39:19,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:39:19,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084547297] [2022-11-20 11:39:19,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:19,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:39:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:39:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:39:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:39:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:39:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-20 11:39:20,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:39:20,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084547297] [2022-11-20 11:39:20,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084547297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:20,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:20,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:39:20,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301540221] [2022-11-20 11:39:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:20,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:39:20,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:39:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:39:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:39:20,199 INFO L87 Difference]: Start difference. First operand 3024 states and 4073 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-20 11:39:25,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:39:26,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:26,701 INFO L93 Difference]: Finished difference Result 5154 states and 7269 transitions. [2022-11-20 11:39:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:39:26,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 101 [2022-11-20 11:39:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:26,725 INFO L225 Difference]: With dead ends: 5154 [2022-11-20 11:39:26,726 INFO L226 Difference]: Without dead ends: 3586 [2022-11-20 11:39:26,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:39:26,735 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 1026 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 769 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:26,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 1913 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 1891 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-20 11:39:26,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2022-11-20 11:39:26,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3028. [2022-11-20 11:39:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 2154 states have (on average 1.2952646239554317) internal successors, (2790), 2196 states have internal predecessors, (2790), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-11-20 11:39:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 4077 transitions. [2022-11-20 11:39:26,944 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 4077 transitions. Word has length 101 [2022-11-20 11:39:26,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:26,944 INFO L495 AbstractCegarLoop]: Abstraction has 3028 states and 4077 transitions. [2022-11-20 11:39:26,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-20 11:39:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 4077 transitions. [2022-11-20 11:39:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 11:39:26,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:26,956 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:26,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:39:26,957 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:26,957 INFO L85 PathProgramCache]: Analyzing trace with hash 753434295, now seen corresponding path program 1 times [2022-11-20 11:39:26,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:39:26,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290392922] [2022-11-20 11:39:26,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:39:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:39:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:39:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:39:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:39:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-20 11:39:27,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:39:27,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290392922] [2022-11-20 11:39:27,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290392922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:27,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:27,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 11:39:27,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979351632] [2022-11-20 11:39:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:27,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 11:39:27,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:39:27,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 11:39:27,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:39:27,915 INFO L87 Difference]: Start difference. First operand 3028 states and 4077 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-20 11:39:37,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:37,482 INFO L93 Difference]: Finished difference Result 7303 states and 10200 transitions. [2022-11-20 11:39:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 11:39:37,483 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2022-11-20 11:39:37,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:37,509 INFO L225 Difference]: With dead ends: 7303 [2022-11-20 11:39:37,510 INFO L226 Difference]: Without dead ends: 4304 [2022-11-20 11:39:37,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:39:37,521 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 3604 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 5810 mSolverCounterSat, 1942 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3878 SdHoareTripleChecker+Valid, 2617 SdHoareTripleChecker+Invalid, 7752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1942 IncrementalHoareTripleChecker+Valid, 5810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:37,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3878 Valid, 2617 Invalid, 7752 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1942 Valid, 5810 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-11-20 11:39:37,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4304 states. [2022-11-20 11:39:37,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4304 to 3586. [2022-11-20 11:39:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2552 states have (on average 1.2891849529780564) internal successors, (3290), 2602 states have internal predecessors, (3290), 752 states have call successors, (752), 276 states have call predecessors, (752), 281 states have return successors, (777), 745 states have call predecessors, (777), 751 states have call successors, (777) [2022-11-20 11:39:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 4819 transitions. [2022-11-20 11:39:37,764 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 4819 transitions. Word has length 103 [2022-11-20 11:39:37,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:37,764 INFO L495 AbstractCegarLoop]: Abstraction has 3586 states and 4819 transitions. [2022-11-20 11:39:37,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-20 11:39:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 4819 transitions. [2022-11-20 11:39:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 11:39:37,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:37,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:37,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:39:37,774 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:37,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:37,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1543397610, now seen corresponding path program 1 times [2022-11-20 11:39:37,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:39:37,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853103169] [2022-11-20 11:39:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:37,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:39:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:39:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:39:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:39:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 11:39:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:39:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 11:39:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 11:39:38,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:39:38,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853103169] [2022-11-20 11:39:38,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853103169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:38,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:38,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:39:38,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352542267] [2022-11-20 11:39:38,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:38,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:39:38,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:39:38,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:39:38,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:39:38,781 INFO L87 Difference]: Start difference. First operand 3586 states and 4819 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 11:39:45,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:39:47,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:47,545 INFO L93 Difference]: Finished difference Result 7775 states and 10839 transitions. [2022-11-20 11:39:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:39:47,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 129 [2022-11-20 11:39:47,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:47,570 INFO L225 Difference]: With dead ends: 7775 [2022-11-20 11:39:47,570 INFO L226 Difference]: Without dead ends: 4218 [2022-11-20 11:39:47,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:39:47,584 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 403 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 3608 mSolverCounterSat, 240 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 3357 SdHoareTripleChecker+Invalid, 3849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 3608 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:47,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 3357 Invalid, 3849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 3608 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-20 11:39:47,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-11-20 11:39:47,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 3614. [2022-11-20 11:39:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 2572 states have (on average 1.286936236391913) internal successors, (3310), 2624 states have internal predecessors, (3310), 752 states have call successors, (752), 276 states have call predecessors, (752), 289 states have return successors, (789), 751 states have call predecessors, (789), 751 states have call successors, (789) [2022-11-20 11:39:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 4851 transitions. [2022-11-20 11:39:47,844 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 4851 transitions. Word has length 129 [2022-11-20 11:39:47,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:47,846 INFO L495 AbstractCegarLoop]: Abstraction has 3614 states and 4851 transitions. [2022-11-20 11:39:47,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 11:39:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4851 transitions. [2022-11-20 11:39:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-20 11:39:47,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:47,886 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:47,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:39:47,886 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:47,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:47,888 INFO L85 PathProgramCache]: Analyzing trace with hash 215894813, now seen corresponding path program 1 times [2022-11-20 11:39:47,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:39:47,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534775084] [2022-11-20 11:39:47,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:47,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:39:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:39:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:39:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:39:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 11:39:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:39:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:39:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 11:39:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 11:39:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-20 11:39:48,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:39:48,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534775084] [2022-11-20 11:39:48,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534775084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:39:48,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:39:48,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:39:48,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542661439] [2022-11-20 11:39:48,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:48,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:39:48,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:39:48,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:39:48,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:39:48,389 INFO L87 Difference]: Start difference. First operand 3614 states and 4851 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 11:39:52,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:39:53,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:39:54,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:54,944 INFO L93 Difference]: Finished difference Result 7784 states and 10774 transitions. [2022-11-20 11:39:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:39:54,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 150 [2022-11-20 11:39:54,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:54,970 INFO L225 Difference]: With dead ends: 7784 [2022-11-20 11:39:54,970 INFO L226 Difference]: Without dead ends: 4186 [2022-11-20 11:39:54,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:39:54,983 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 2032 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 1001 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 2338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1001 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:54,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 1435 Invalid, 2338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1001 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-20 11:39:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2022-11-20 11:39:55,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 3590. [2022-11-20 11:39:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 2550 states have (on average 1.2819607843137255) internal successors, (3269), 2602 states have internal predecessors, (3269), 750 states have call successors, (750), 276 states have call predecessors, (750), 289 states have return successors, (785), 749 states have call predecessors, (785), 749 states have call successors, (785) [2022-11-20 11:39:55,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 4804 transitions. [2022-11-20 11:39:55,319 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 4804 transitions. Word has length 150 [2022-11-20 11:39:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:55,319 INFO L495 AbstractCegarLoop]: Abstraction has 3590 states and 4804 transitions. [2022-11-20 11:39:55,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 11:39:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 4804 transitions. [2022-11-20 11:39:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 11:39:55,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:39:55,330 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:39:55,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:39:55,330 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:39:55,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:39:55,331 INFO L85 PathProgramCache]: Analyzing trace with hash 602159530, now seen corresponding path program 1 times [2022-11-20 11:39:55,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:39:55,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254405149] [2022-11-20 11:39:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:55,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:39:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:39:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:39:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:39:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:39:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 11:39:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:39:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:39:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:39:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 11:39:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 11:39:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:39:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 11:39:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-20 11:39:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-20 11:39:56,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:39:56,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254405149] [2022-11-20 11:39:56,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254405149] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:39:56,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356228652] [2022-11-20 11:39:56,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:39:56,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:39:56,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:39:56,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:39:56,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:39:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:39:57,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:39:57,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:39:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 11:39:57,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:39:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-20 11:39:58,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356228652] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 11:39:58,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:39:58,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12, 8] total 22 [2022-11-20 11:39:58,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316507280] [2022-11-20 11:39:58,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:39:58,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:39:58,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:39:58,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:39:58,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2022-11-20 11:39:58,767 INFO L87 Difference]: Start difference. First operand 3590 states and 4804 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-20 11:40:05,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:40:05,697 INFO L93 Difference]: Finished difference Result 8407 states and 11517 transitions. [2022-11-20 11:40:05,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 11:40:05,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 158 [2022-11-20 11:40:05,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:40:05,731 INFO L225 Difference]: With dead ends: 8407 [2022-11-20 11:40:05,732 INFO L226 Difference]: Without dead ends: 6270 [2022-11-20 11:40:05,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 335 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2022-11-20 11:40:05,741 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 4765 mSDsluCounter, 1948 mSDsCounter, 0 mSdLazyCounter, 4398 mSolverCounterSat, 2148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4898 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 6546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2148 IncrementalHoareTripleChecker+Valid, 4398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:40:05,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4898 Valid, 3084 Invalid, 6546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2148 Valid, 4398 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-20 11:40:05,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6270 states. [2022-11-20 11:40:06,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6270 to 5233. [2022-11-20 11:40:06,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5233 states, 3710 states have (on average 1.2838274932614555) internal successors, (4763), 3793 states have internal predecessors, (4763), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-20 11:40:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 7055 transitions. [2022-11-20 11:40:06,310 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 7055 transitions. Word has length 158 [2022-11-20 11:40:06,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:40:06,310 INFO L495 AbstractCegarLoop]: Abstraction has 5233 states and 7055 transitions. [2022-11-20 11:40:06,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-20 11:40:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 7055 transitions. [2022-11-20 11:40:06,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-20 11:40:06,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:40:06,325 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:40:06,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:40:06,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:40:06,534 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:40:06,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:40:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1972887381, now seen corresponding path program 1 times [2022-11-20 11:40:06,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:40:06,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100609920] [2022-11-20 11:40:06,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:40:06,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:40:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:06,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:06,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:40:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:40:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:40:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 11:40:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:40:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:40:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 11:40:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 11:40:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-20 11:40:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 11:40:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-20 11:40:07,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:40:07,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100609920] [2022-11-20 11:40:07,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100609920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:40:07,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:40:07,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:40:07,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704695213] [2022-11-20 11:40:07,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:40:07,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:40:07,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:40:07,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:40:07,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:40:07,144 INFO L87 Difference]: Start difference. First operand 5233 states and 7055 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:40:14,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:40:15,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:40:15,786 INFO L93 Difference]: Finished difference Result 9870 states and 13848 transitions. [2022-11-20 11:40:15,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:40:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2022-11-20 11:40:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:40:15,814 INFO L225 Difference]: With dead ends: 9870 [2022-11-20 11:40:15,814 INFO L226 Difference]: Without dead ends: 6090 [2022-11-20 11:40:15,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:40:15,828 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 427 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2952 mSolverCounterSat, 245 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 3198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 2952 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:40:15,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 2753 Invalid, 3198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 2952 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-20 11:40:15,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6090 states. [2022-11-20 11:40:16,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6090 to 5231. [2022-11-20 11:40:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 3708 states have (on average 1.2829018338727076) internal successors, (4757), 3791 states have internal predecessors, (4757), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-20 11:40:16,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 7049 transitions. [2022-11-20 11:40:16,226 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 7049 transitions. Word has length 160 [2022-11-20 11:40:16,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:40:16,227 INFO L495 AbstractCegarLoop]: Abstraction has 5231 states and 7049 transitions. [2022-11-20 11:40:16,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:40:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 7049 transitions. [2022-11-20 11:40:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-20 11:40:16,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:40:16,238 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:40:16,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:40:16,238 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:40:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:40:16,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2117554194, now seen corresponding path program 1 times [2022-11-20 11:40:16,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:40:16,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366264899] [2022-11-20 11:40:16,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:40:16,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:40:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:40:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:40:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:40:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 11:40:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:40:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:40:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 11:40:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 11:40:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:40:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-20 11:40:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-20 11:40:16,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:40:16,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366264899] [2022-11-20 11:40:16,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366264899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:40:16,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:40:16,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:40:16,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502701136] [2022-11-20 11:40:16,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:40:16,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:40:16,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:40:16,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:40:16,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:40:16,990 INFO L87 Difference]: Start difference. First operand 5231 states and 7049 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:40:21,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:40:22,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:40:23,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:40:23,349 INFO L93 Difference]: Finished difference Result 11309 states and 15769 transitions. [2022-11-20 11:40:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:40:23,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 162 [2022-11-20 11:40:23,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:40:23,379 INFO L225 Difference]: With dead ends: 11309 [2022-11-20 11:40:23,379 INFO L226 Difference]: Without dead ends: 6130 [2022-11-20 11:40:23,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:40:23,398 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 1001 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 2500 SdHoareTripleChecker+Invalid, 3298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:40:23,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 2500 Invalid, 3298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-20 11:40:23,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6130 states. [2022-11-20 11:40:23,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6130 to 5243. [2022-11-20 11:40:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 3720 states have (on average 1.281989247311828) internal successors, (4769), 3803 states have internal predecessors, (4769), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-20 11:40:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 7061 transitions. [2022-11-20 11:40:23,892 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 7061 transitions. Word has length 162 [2022-11-20 11:40:23,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:40:23,892 INFO L495 AbstractCegarLoop]: Abstraction has 5243 states and 7061 transitions. [2022-11-20 11:40:23,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:40:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 7061 transitions. [2022-11-20 11:40:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 11:40:23,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:40:23,904 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:40:23,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:40:23,904 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:40:23,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:40:23,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1490295173, now seen corresponding path program 1 times [2022-11-20 11:40:23,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:40:23,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097405232] [2022-11-20 11:40:23,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:40:23,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:40:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:40:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:40:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:40:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:40:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:40:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:40:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:40:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:40:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 11:40:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 11:40:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-20 11:40:25,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:40:25,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097405232] [2022-11-20 11:40:25,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097405232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:40:25,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:40:25,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:40:25,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515985358] [2022-11-20 11:40:25,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:40:25,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:40:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:40:25,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:40:25,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:40:25,447 INFO L87 Difference]: Start difference. First operand 5243 states and 7061 transitions. Second operand has 9 states, 8 states have (on average 14.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 11:40:31,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:40:31,588 INFO L93 Difference]: Finished difference Result 12077 states and 16961 transitions. [2022-11-20 11:40:31,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:40:31,590 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 163 [2022-11-20 11:40:31,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:40:31,622 INFO L225 Difference]: With dead ends: 12077 [2022-11-20 11:40:31,623 INFO L226 Difference]: Without dead ends: 6886 [2022-11-20 11:40:31,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:40:31,645 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 754 mSDsluCounter, 3235 mSDsCounter, 0 mSdLazyCounter, 3864 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 4369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 3864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:40:31,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 4011 Invalid, 4369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 3864 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-20 11:40:31,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6886 states. [2022-11-20 11:40:32,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6886 to 5243. [2022-11-20 11:40:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 3720 states have (on average 1.278225806451613) internal successors, (4755), 3803 states have internal predecessors, (4755), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-20 11:40:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 7047 transitions. [2022-11-20 11:40:32,153 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 7047 transitions. Word has length 163 [2022-11-20 11:40:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:40:32,153 INFO L495 AbstractCegarLoop]: Abstraction has 5243 states and 7047 transitions. [2022-11-20 11:40:32,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 11:40:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 7047 transitions. [2022-11-20 11:40:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 11:40:32,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:40:32,163 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:40:32,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:40:32,164 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:40:32,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:40:32,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1971375431, now seen corresponding path program 1 times [2022-11-20 11:40:32,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:40:32,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395094086] [2022-11-20 11:40:32,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:40:32,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:40:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:40:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:40:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:40:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:41,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:40:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:41,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:40:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:40:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:42,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:40:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:42,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:40:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:40:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:40:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:40:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 11:40:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 11:40:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 11:40:43,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:40:43,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395094086] [2022-11-20 11:40:43,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395094086] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:40:43,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655366532] [2022-11-20 11:40:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:40:43,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:40:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:40:43,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:40:43,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:40:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:40:44,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-20 11:40:44,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:40:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 11:40:45,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:40:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 11:40:46,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655366532] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:40:46,935 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:40:46,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 14, 12] total 50 [2022-11-20 11:40:46,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22271453] [2022-11-20 11:40:46,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:40:46,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-20 11:40:46,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:40:46,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-20 11:40:46,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=2326, Unknown=0, NotChecked=0, Total=2450 [2022-11-20 11:40:46,938 INFO L87 Difference]: Start difference. First operand 5243 states and 7047 transitions. Second operand has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-11-20 11:41:37,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:41:41,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:41:42,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:41:45,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:41:47,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:41:51,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:42:09,387 INFO L93 Difference]: Finished difference Result 14295 states and 20289 transitions. [2022-11-20 11:42:09,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-20 11:42:09,387 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) Word has length 163 [2022-11-20 11:42:09,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:42:09,431 INFO L225 Difference]: With dead ends: 14295 [2022-11-20 11:42:09,431 INFO L226 Difference]: Without dead ends: 9081 [2022-11-20 11:42:09,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 363 SyntacticMatches, 3 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3912 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=1038, Invalid=15474, Unknown=0, NotChecked=0, Total=16512 [2022-11-20 11:42:09,452 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 3523 mSDsluCounter, 23405 mSDsCounter, 0 mSdLazyCounter, 46063 mSolverCounterSat, 1958 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3620 SdHoareTripleChecker+Valid, 24264 SdHoareTripleChecker+Invalid, 48022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1958 IncrementalHoareTripleChecker+Valid, 46063 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:42:09,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3620 Valid, 24264 Invalid, 48022 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1958 Valid, 46063 Invalid, 1 Unknown, 0 Unchecked, 73.0s Time] [2022-11-20 11:42:09,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9081 states. [2022-11-20 11:42:10,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9081 to 6167. [2022-11-20 11:42:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6167 states, 4387 states have (on average 1.2753590152723957) internal successors, (5595), 4495 states have internal predecessors, (5595), 1268 states have call successors, (1268), 460 states have call predecessors, (1268), 511 states have return successors, (1476), 1270 states have call predecessors, (1476), 1267 states have call successors, (1476) [2022-11-20 11:42:10,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6167 states to 6167 states and 8339 transitions. [2022-11-20 11:42:10,394 INFO L78 Accepts]: Start accepts. Automaton has 6167 states and 8339 transitions. Word has length 163 [2022-11-20 11:42:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:42:10,395 INFO L495 AbstractCegarLoop]: Abstraction has 6167 states and 8339 transitions. [2022-11-20 11:42:10,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 45 states have (on average 4.933333333333334) internal successors, (222), 39 states have internal predecessors, (222), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-11-20 11:42:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 6167 states and 8339 transitions. [2022-11-20 11:42:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-20 11:42:10,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:42:10,417 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:42:10,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:42:10,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:42:10,626 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:42:10,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:42:10,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1532297488, now seen corresponding path program 1 times [2022-11-20 11:42:10,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:42:10,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519060444] [2022-11-20 11:42:10,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:42:10,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:42:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:42:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:42:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:42:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 11:42:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-20 11:42:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:42:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:42:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:42:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 11:42:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:42:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 11:42:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 11:42:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:42:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 11:42:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-20 11:42:11,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:42:11,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519060444] [2022-11-20 11:42:11,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519060444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:42:11,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:42:11,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:42:11,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484935013] [2022-11-20 11:42:11,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:42:11,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:42:11,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:42:11,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:42:11,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:42:11,986 INFO L87 Difference]: Start difference. First operand 6167 states and 8339 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 11:42:17,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:19,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:20,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:42:20,828 INFO L93 Difference]: Finished difference Result 12260 states and 17040 transitions. [2022-11-20 11:42:20,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:42:20,828 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 225 [2022-11-20 11:42:20,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:42:20,861 INFO L225 Difference]: With dead ends: 12260 [2022-11-20 11:42:20,862 INFO L226 Difference]: Without dead ends: 6950 [2022-11-20 11:42:20,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:42:20,876 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 997 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 2875 mSolverCounterSat, 774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 2902 SdHoareTripleChecker+Invalid, 3649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 774 IncrementalHoareTripleChecker+Valid, 2875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:42:20,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 2902 Invalid, 3649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [774 Valid, 2875 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-20 11:42:20,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6950 states. [2022-11-20 11:42:21,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6950 to 6175. [2022-11-20 11:42:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6175 states, 4395 states have (on average 1.2748577929465301) internal successors, (5603), 4503 states have internal predecessors, (5603), 1268 states have call successors, (1268), 460 states have call predecessors, (1268), 511 states have return successors, (1476), 1270 states have call predecessors, (1476), 1267 states have call successors, (1476) [2022-11-20 11:42:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6175 states to 6175 states and 8347 transitions. [2022-11-20 11:42:21,675 INFO L78 Accepts]: Start accepts. Automaton has 6175 states and 8347 transitions. Word has length 225 [2022-11-20 11:42:21,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:42:21,676 INFO L495 AbstractCegarLoop]: Abstraction has 6175 states and 8347 transitions. [2022-11-20 11:42:21,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (22), 7 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 11:42:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 6175 states and 8347 transitions. [2022-11-20 11:42:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-20 11:42:21,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:42:21,692 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:42:21,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 11:42:21,692 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:42:21,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:42:21,693 INFO L85 PathProgramCache]: Analyzing trace with hash 596027165, now seen corresponding path program 1 times [2022-11-20 11:42:21,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:42:21,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585662142] [2022-11-20 11:42:21,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:42:21,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:42:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:42:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:42:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:42:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:42:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:42:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 11:42:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:42:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 11:42:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 11:42:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-20 11:42:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-20 11:42:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 11:42:22,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:42:22,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585662142] [2022-11-20 11:42:22,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585662142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:42:22,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:42:22,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:42:22,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806910909] [2022-11-20 11:42:22,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:42:22,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:42:22,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:42:22,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:42:22,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:42:22,149 INFO L87 Difference]: Start difference. First operand 6175 states and 8347 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 11:42:28,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:29,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:33,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:42:33,080 INFO L93 Difference]: Finished difference Result 12216 states and 16933 transitions. [2022-11-20 11:42:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:42:33,080 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 187 [2022-11-20 11:42:33,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:42:33,104 INFO L225 Difference]: With dead ends: 12216 [2022-11-20 11:42:33,105 INFO L226 Difference]: Without dead ends: 6914 [2022-11-20 11:42:33,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:42:33,118 INFO L413 NwaCegarLoop]: 1046 mSDtfsCounter, 2024 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 3371 mSolverCounterSat, 1193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 4564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1193 IncrementalHoareTripleChecker+Valid, 3371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:42:33,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 2941 Invalid, 4564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1193 Valid, 3371 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-11-20 11:42:33,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6914 states. [2022-11-20 11:42:33,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 6130. [2022-11-20 11:42:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6130 states, 4362 states have (on average 1.2620357634112793) internal successors, (5505), 4469 states have internal predecessors, (5505), 1261 states have call successors, (1261), 455 states have call predecessors, (1261), 506 states have return successors, (1469), 1264 states have call predecessors, (1469), 1260 states have call successors, (1469) [2022-11-20 11:42:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6130 states to 6130 states and 8235 transitions. [2022-11-20 11:42:33,808 INFO L78 Accepts]: Start accepts. Automaton has 6130 states and 8235 transitions. Word has length 187 [2022-11-20 11:42:33,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:42:33,809 INFO L495 AbstractCegarLoop]: Abstraction has 6130 states and 8235 transitions. [2022-11-20 11:42:33,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 11:42:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 6130 states and 8235 transitions. [2022-11-20 11:42:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-20 11:42:33,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:42:33,825 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:42:33,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 11:42:33,825 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:42:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:42:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1191842657, now seen corresponding path program 1 times [2022-11-20 11:42:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:42:33,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231899923] [2022-11-20 11:42:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:42:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:42:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:42:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:42:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:42:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:42:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:42:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 11:42:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:42:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 11:42:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 11:42:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-20 11:42:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-20 11:42:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-20 11:42:34,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:42:34,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231899923] [2022-11-20 11:42:34,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231899923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:42:34,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:42:34,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:42:34,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450339575] [2022-11-20 11:42:34,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:42:34,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:42:34,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:42:34,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:42:34,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:42:34,280 INFO L87 Difference]: Start difference. First operand 6130 states and 8235 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 11:42:41,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:43,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:47,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:42:47,012 INFO L93 Difference]: Finished difference Result 15843 states and 22014 transitions. [2022-11-20 11:42:47,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:42:47,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 187 [2022-11-20 11:42:47,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:42:47,068 INFO L225 Difference]: With dead ends: 15843 [2022-11-20 11:42:47,069 INFO L226 Difference]: Without dead ends: 10586 [2022-11-20 11:42:47,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:42:47,093 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 3273 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 3646 mSolverCounterSat, 1849 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3454 SdHoareTripleChecker+Valid, 3312 SdHoareTripleChecker+Invalid, 5496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1849 IncrementalHoareTripleChecker+Valid, 3646 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:42:47,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3454 Valid, 3312 Invalid, 5496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1849 Valid, 3646 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-20 11:42:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10586 states. [2022-11-20 11:42:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10586 to 8847. [2022-11-20 11:42:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8847 states, 6283 states have (on average 1.261180964507401) internal successors, (7924), 6433 states have internal predecessors, (7924), 1839 states have call successors, (1839), 652 states have call predecessors, (1839), 724 states have return successors, (2093), 1846 states have call predecessors, (2093), 1838 states have call successors, (2093) [2022-11-20 11:42:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 11856 transitions. [2022-11-20 11:42:48,221 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 11856 transitions. Word has length 187 [2022-11-20 11:42:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:42:48,222 INFO L495 AbstractCegarLoop]: Abstraction has 8847 states and 11856 transitions. [2022-11-20 11:42:48,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 11:42:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 11856 transitions. [2022-11-20 11:42:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-20 11:42:48,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:42:48,240 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:42:48,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 11:42:48,241 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:42:48,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:42:48,241 INFO L85 PathProgramCache]: Analyzing trace with hash -751643068, now seen corresponding path program 1 times [2022-11-20 11:42:48,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:42:48,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186351557] [2022-11-20 11:42:48,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:42:48,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:42:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:42:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:42:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 11:42:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:42:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:42:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:42:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:42:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:42:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 11:42:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:42:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 11:42:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 11:42:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:42:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-20 11:42:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-20 11:42:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-20 11:42:49,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:42:49,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186351557] [2022-11-20 11:42:49,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186351557] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:42:49,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047848081] [2022-11-20 11:42:49,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:42:49,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:42:49,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:42:49,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:42:49,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 11:42:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:50,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:42:50,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:42:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-20 11:42:50,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:42:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-20 11:42:50,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047848081] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:42:50,977 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:42:50,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2022-11-20 11:42:50,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228397117] [2022-11-20 11:42:50,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:42:50,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 11:42:50,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:42:50,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 11:42:50,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:42:50,980 INFO L87 Difference]: Start difference. First operand 8847 states and 11856 transitions. Second operand has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:42:57,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:42:59,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:43:01,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:01,354 INFO L93 Difference]: Finished difference Result 18092 states and 24992 transitions. [2022-11-20 11:43:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:43:01,355 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2022-11-20 11:43:01,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:01,411 INFO L225 Difference]: With dead ends: 18092 [2022-11-20 11:43:01,411 INFO L226 Difference]: Without dead ends: 10070 [2022-11-20 11:43:01,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:43:01,441 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 710 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 513 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 3324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:01,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 2878 Invalid, 3324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 2810 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-20 11:43:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10070 states. [2022-11-20 11:43:02,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10070 to 8883. [2022-11-20 11:43:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8883 states, 6319 states have (on average 1.2596929893970565) internal successors, (7960), 6469 states have internal predecessors, (7960), 1839 states have call successors, (1839), 652 states have call predecessors, (1839), 724 states have return successors, (2093), 1846 states have call predecessors, (2093), 1838 states have call successors, (2093) [2022-11-20 11:43:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8883 states to 8883 states and 11892 transitions. [2022-11-20 11:43:02,852 INFO L78 Accepts]: Start accepts. Automaton has 8883 states and 11892 transitions. Word has length 178 [2022-11-20 11:43:02,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:02,853 INFO L495 AbstractCegarLoop]: Abstraction has 8883 states and 11892 transitions. [2022-11-20 11:43:02,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:43:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 8883 states and 11892 transitions. [2022-11-20 11:43:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-20 11:43:02,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:02,873 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:02,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:43:03,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 11:43:03,085 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:03,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:03,085 INFO L85 PathProgramCache]: Analyzing trace with hash -386389539, now seen corresponding path program 2 times [2022-11-20 11:43:03,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:43:03,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80465094] [2022-11-20 11:43:03,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:43:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:43:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:43:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:43:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:43:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 11:43:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:43:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:43:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:43:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:43:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 11:43:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:43:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 11:43:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 11:43:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-20 11:43:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-20 11:43:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-20 11:43:04,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:43:04,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80465094] [2022-11-20 11:43:04,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80465094] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:43:04,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513041214] [2022-11-20 11:43:04,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:43:04,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:43:04,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:43:04,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:43:05,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 11:43:06,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:43:06,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:43:06,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1628 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 11:43:06,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:43:06,904 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-20 11:43:06,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:43:07,476 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-20 11:43:07,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513041214] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:43:07,476 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:43:07,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2022-11-20 11:43:07,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946180480] [2022-11-20 11:43:07,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:43:07,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 11:43:07,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:43:07,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 11:43:07,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552 [2022-11-20 11:43:07,479 INFO L87 Difference]: Start difference. First operand 8883 states and 11892 transitions. Second operand has 24 states, 24 states have (on average 6.75) internal successors, (162), 19 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:43:19,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:19,823 INFO L93 Difference]: Finished difference Result 18200 states and 25136 transitions. [2022-11-20 11:43:19,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:43:19,823 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.75) internal successors, (162), 19 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 202 [2022-11-20 11:43:19,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:19,857 INFO L225 Difference]: With dead ends: 18200 [2022-11-20 11:43:19,858 INFO L226 Difference]: Without dead ends: 10142 [2022-11-20 11:43:19,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2022-11-20 11:43:19,881 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 1090 mSDsluCounter, 5708 mSDsCounter, 0 mSdLazyCounter, 6571 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 6411 SdHoareTripleChecker+Invalid, 7398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 6571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:19,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 6411 Invalid, 7398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [827 Valid, 6571 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-11-20 11:43:19,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10142 states. [2022-11-20 11:43:20,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10142 to 8955. [2022-11-20 11:43:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8955 states, 6391 states have (on average 1.2567673290564856) internal successors, (8032), 6541 states have internal predecessors, (8032), 1839 states have call successors, (1839), 652 states have call predecessors, (1839), 724 states have return successors, (2093), 1846 states have call predecessors, (2093), 1838 states have call successors, (2093) [2022-11-20 11:43:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8955 states to 8955 states and 11964 transitions. [2022-11-20 11:43:21,018 INFO L78 Accepts]: Start accepts. Automaton has 8955 states and 11964 transitions. Word has length 202 [2022-11-20 11:43:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:21,019 INFO L495 AbstractCegarLoop]: Abstraction has 8955 states and 11964 transitions. [2022-11-20 11:43:21,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.75) internal successors, (162), 19 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 11:43:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 8955 states and 11964 transitions. [2022-11-20 11:43:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 11:43:21,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:21,029 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:21,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:43:21,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 11:43:21,240 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:21,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:21,240 INFO L85 PathProgramCache]: Analyzing trace with hash -708934977, now seen corresponding path program 1 times [2022-11-20 11:43:21,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:43:21,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703080610] [2022-11-20 11:43:21,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:21,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:43:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:43:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:43:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:43:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:43:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:43:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 11:43:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:43:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:43:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:43:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 11:43:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:43:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-20 11:43:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 11:43:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:21,754 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 11:43:21,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:43:21,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703080610] [2022-11-20 11:43:21,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703080610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:43:21,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:43:21,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:43:21,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340685859] [2022-11-20 11:43:21,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:43:21,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:43:21,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:43:21,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:43:21,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:43:21,757 INFO L87 Difference]: Start difference. First operand 8955 states and 11964 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:43:28,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:43:30,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:30,028 INFO L93 Difference]: Finished difference Result 18347 states and 25191 transitions. [2022-11-20 11:43:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:43:30,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-11-20 11:43:30,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:30,067 INFO L225 Difference]: With dead ends: 18347 [2022-11-20 11:43:30,067 INFO L226 Difference]: Without dead ends: 10265 [2022-11-20 11:43:30,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:43:30,088 INFO L413 NwaCegarLoop]: 723 mSDtfsCounter, 516 mSDsluCounter, 2243 mSDsCounter, 0 mSdLazyCounter, 2792 mSolverCounterSat, 280 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 2792 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:30,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 2966 Invalid, 3073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 2792 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-20 11:43:30,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10265 states. [2022-11-20 11:43:31,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10265 to 8991. [2022-11-20 11:43:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8991 states, 6418 states have (on average 1.2575568712994702) internal successors, (8071), 6568 states have internal predecessors, (8071), 1845 states have call successors, (1845), 655 states have call predecessors, (1845), 727 states have return successors, (2099), 1852 states have call predecessors, (2099), 1844 states have call successors, (2099) [2022-11-20 11:43:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8991 states to 8991 states and 12015 transitions. [2022-11-20 11:43:31,111 INFO L78 Accepts]: Start accepts. Automaton has 8991 states and 12015 transitions. Word has length 208 [2022-11-20 11:43:31,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:31,111 INFO L495 AbstractCegarLoop]: Abstraction has 8991 states and 12015 transitions. [2022-11-20 11:43:31,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:43:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 8991 states and 12015 transitions. [2022-11-20 11:43:31,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 11:43:31,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:31,120 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:31,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 11:43:31,120 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:31,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:31,120 INFO L85 PathProgramCache]: Analyzing trace with hash -864915519, now seen corresponding path program 1 times [2022-11-20 11:43:31,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:43:31,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337074731] [2022-11-20 11:43:31,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:31,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:43:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:43:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:43:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:43:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:43:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:43:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 11:43:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:43:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:43:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:43:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 11:43:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:43:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-20 11:43:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 11:43:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-20 11:43:31,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:43:31,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337074731] [2022-11-20 11:43:31,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337074731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:43:31,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:43:31,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:43:31,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417424516] [2022-11-20 11:43:31,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:43:31,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:43:31,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:43:31,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:43:31,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:43:31,654 INFO L87 Difference]: Start difference. First operand 8991 states and 12015 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:43:37,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:43:39,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:39,405 INFO L93 Difference]: Finished difference Result 19241 states and 27164 transitions. [2022-11-20 11:43:39,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:43:39,406 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-11-20 11:43:39,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:39,447 INFO L225 Difference]: With dead ends: 19241 [2022-11-20 11:43:39,447 INFO L226 Difference]: Without dead ends: 10297 [2022-11-20 11:43:39,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:43:39,476 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 1070 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 863 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 3495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 863 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:39,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 3056 Invalid, 3495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [863 Valid, 2631 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-20 11:43:39,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10297 states. [2022-11-20 11:43:40,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10297 to 9003. [2022-11-20 11:43:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9003 states, 6424 states have (on average 1.25700498132005) internal successors, (8075), 6583 states have internal predecessors, (8075), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1849 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-20 11:43:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9003 states to 9003 states and 12058 transitions. [2022-11-20 11:43:40,739 INFO L78 Accepts]: Start accepts. Automaton has 9003 states and 12058 transitions. Word has length 208 [2022-11-20 11:43:40,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:40,739 INFO L495 AbstractCegarLoop]: Abstraction has 9003 states and 12058 transitions. [2022-11-20 11:43:40,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 11:43:40,739 INFO L276 IsEmpty]: Start isEmpty. Operand 9003 states and 12058 transitions. [2022-11-20 11:43:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 11:43:40,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:40,757 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:40,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:43:40,757 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:40,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:40,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1907048608, now seen corresponding path program 1 times [2022-11-20 11:43:40,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:43:40,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028874892] [2022-11-20 11:43:40,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:40,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:43:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:43:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:43:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:43:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:43:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:43:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 11:43:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:43:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:43:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:43:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:43:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:43:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 11:43:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:43:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:43:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-20 11:43:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 11:43:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-20 11:43:43,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:43:43,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028874892] [2022-11-20 11:43:43,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028874892] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:43:43,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812090128] [2022-11-20 11:43:43,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:43,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:43:43,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:43:43,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:43:43,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 11:43:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:43:44,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 11:43:44,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:43:44,381 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-20 11:43:44,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:43:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-20 11:43:45,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812090128] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:43:45,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:43:45,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 28 [2022-11-20 11:43:45,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107381709] [2022-11-20 11:43:45,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:43:45,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-20 11:43:45,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:43:45,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-20 11:43:45,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2022-11-20 11:43:45,142 INFO L87 Difference]: Start difference. First operand 9003 states and 12058 transitions. Second operand has 28 states, 26 states have (on average 6.153846153846154) internal successors, (160), 18 states have internal predecessors, (160), 6 states have call successors, (44), 6 states have call predecessors, (44), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) [2022-11-20 11:44:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:00,287 INFO L93 Difference]: Finished difference Result 18491 states and 25558 transitions. [2022-11-20 11:44:00,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 11:44:00,288 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 6.153846153846154) internal successors, (160), 18 states have internal predecessors, (160), 6 states have call successors, (44), 6 states have call predecessors, (44), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) Word has length 208 [2022-11-20 11:44:00,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:00,340 INFO L225 Difference]: With dead ends: 18491 [2022-11-20 11:44:00,341 INFO L226 Difference]: Without dead ends: 10357 [2022-11-20 11:44:00,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 448 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=150, Invalid=1332, Unknown=0, NotChecked=0, Total=1482 [2022-11-20 11:44:00,372 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1092 mSDsluCounter, 12540 mSDsCounter, 0 mSdLazyCounter, 12866 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 13295 SdHoareTripleChecker+Invalid, 13658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 12866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:00,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 13295 Invalid, 13658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [792 Valid, 12866 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-11-20 11:44:00,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10357 states. [2022-11-20 11:44:01,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10357 to 9012. [2022-11-20 11:44:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9012 states, 6433 states have (on average 1.2566454220425929) internal successors, (8084), 6589 states have internal predecessors, (8084), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1852 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-20 11:44:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9012 states to 9012 states and 12067 transitions. [2022-11-20 11:44:01,574 INFO L78 Accepts]: Start accepts. Automaton has 9012 states and 12067 transitions. Word has length 208 [2022-11-20 11:44:01,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:01,575 INFO L495 AbstractCegarLoop]: Abstraction has 9012 states and 12067 transitions. [2022-11-20 11:44:01,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 6.153846153846154) internal successors, (160), 18 states have internal predecessors, (160), 6 states have call successors, (44), 6 states have call predecessors, (44), 7 states have return successors, (35), 8 states have call predecessors, (35), 6 states have call successors, (35) [2022-11-20 11:44:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 9012 states and 12067 transitions. [2022-11-20 11:44:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-20 11:44:01,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:01,585 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:01,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:44:01,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:44:01,786 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:01,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:01,786 INFO L85 PathProgramCache]: Analyzing trace with hash 850617881, now seen corresponding path program 1 times [2022-11-20 11:44:01,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:44:01,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19056866] [2022-11-20 11:44:01,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:01,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:44:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:44:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:44:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:44:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:44:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:44:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 11:44:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:44:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:44:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:44:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:44:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:44:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:44:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:44:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:44:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 11:44:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:44:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 11:44:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 11:44:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:44:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 11:44:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 11:44:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 11:44:04,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:44:04,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19056866] [2022-11-20 11:44:04,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19056866] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:44:04,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389822222] [2022-11-20 11:44:04,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:04,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:44:04,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:44:04,179 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:44:04,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 11:44:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:05,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 11:44:05,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 11:44:06,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:44:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 11:44:08,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389822222] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:44:08,032 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:44:08,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 42 [2022-11-20 11:44:08,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902129767] [2022-11-20 11:44:08,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:44:08,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-20 11:44:08,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:44:08,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-20 11:44:08,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=1368, Unknown=0, NotChecked=0, Total=1722 [2022-11-20 11:44:08,038 INFO L87 Difference]: Start difference. First operand 9012 states and 12067 transitions. Second operand has 42 states, 42 states have (on average 4.5) internal successors, (189), 37 states have internal predecessors, (189), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-20 11:44:47,500 WARN L233 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 68 DAG size of output: 54 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 11:44:58,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:45:04,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:04,128 INFO L93 Difference]: Finished difference Result 18578 states and 25809 transitions. [2022-11-20 11:45:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 11:45:04,129 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.5) internal successors, (189), 37 states have internal predecessors, (189), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 206 [2022-11-20 11:45:04,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:04,284 INFO L225 Difference]: With dead ends: 18578 [2022-11-20 11:45:04,284 INFO L226 Difference]: Without dead ends: 10387 [2022-11-20 11:45:04,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 425 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 35.9s TimeCoverageRelationStatistics Valid=738, Invalid=2232, Unknown=0, NotChecked=0, Total=2970 [2022-11-20 11:45:04,301 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 1156 mSDsluCounter, 9445 mSDsCounter, 0 mSdLazyCounter, 10897 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 10150 SdHoareTripleChecker+Invalid, 11810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 10897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:04,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 10150 Invalid, 11810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [913 Valid, 10897 Invalid, 0 Unknown, 0 Unchecked, 20.5s Time] [2022-11-20 11:45:04,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10387 states. [2022-11-20 11:45:05,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10387 to 9156. [2022-11-20 11:45:05,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9156 states, 6577 states have (on average 1.2528508438497796) internal successors, (8240), 6733 states have internal predecessors, (8240), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1852 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-20 11:45:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9156 states to 9156 states and 12223 transitions. [2022-11-20 11:45:05,511 INFO L78 Accepts]: Start accepts. Automaton has 9156 states and 12223 transitions. Word has length 206 [2022-11-20 11:45:05,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:05,511 INFO L495 AbstractCegarLoop]: Abstraction has 9156 states and 12223 transitions. [2022-11-20 11:45:05,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.5) internal successors, (189), 37 states have internal predecessors, (189), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-20 11:45:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 9156 states and 12223 transitions. [2022-11-20 11:45:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 11:45:05,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:05,521 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:45:05,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:45:05,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-20 11:45:05,727 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:05,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:05,727 INFO L85 PathProgramCache]: Analyzing trace with hash 272725824, now seen corresponding path program 2 times [2022-11-20 11:45:05,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:05,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55173748] [2022-11-20 11:45:05,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:05,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:45:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:45:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:45:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:45:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:45:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:45:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:45:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:45:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:45:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 11:45:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:45:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:45:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:45:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 11:45:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 11:45:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 11:45:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:45:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:45:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-20 11:45:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 11:45:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-20 11:45:07,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:45:07,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55173748] [2022-11-20 11:45:07,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55173748] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:45:07,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460809295] [2022-11-20 11:45:07,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:45:07,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:45:07,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:45:07,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:45:07,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 11:45:08,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:45:08,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:45:08,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 11:45:08,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:45:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 11:45:08,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:45:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-20 11:45:09,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460809295] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:45:09,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:45:09,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2022-11-20 11:45:09,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764166157] [2022-11-20 11:45:09,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:45:09,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-20 11:45:09,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:45:09,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-20 11:45:09,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2022-11-20 11:45:09,755 INFO L87 Difference]: Start difference. First operand 9156 states and 12223 transitions. Second operand has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-20 11:45:23,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:23,928 INFO L93 Difference]: Finished difference Result 18809 states and 25905 transitions. [2022-11-20 11:45:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 11:45:23,932 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) Word has length 208 [2022-11-20 11:45:23,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:23,977 INFO L225 Difference]: With dead ends: 18809 [2022-11-20 11:45:23,977 INFO L226 Difference]: Without dead ends: 10522 [2022-11-20 11:45:24,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 449 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 11:45:24,002 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 1398 mSDsluCounter, 11381 mSDsCounter, 0 mSdLazyCounter, 11677 mSolverCounterSat, 1053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 12142 SdHoareTripleChecker+Invalid, 12730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 11677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:24,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 12142 Invalid, 12730 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1053 Valid, 11677 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-11-20 11:45:24,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10522 states. [2022-11-20 11:45:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10522 to 9165. [2022-11-20 11:45:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9165 states, 6586 states have (on average 1.252505314303067) internal successors, (8249), 6739 states have internal predecessors, (8249), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1855 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-20 11:45:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9165 states to 9165 states and 12232 transitions. [2022-11-20 11:45:25,121 INFO L78 Accepts]: Start accepts. Automaton has 9165 states and 12232 transitions. Word has length 208 [2022-11-20 11:45:25,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:25,122 INFO L495 AbstractCegarLoop]: Abstraction has 9165 states and 12232 transitions. [2022-11-20 11:45:25,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-20 11:45:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 9165 states and 12232 transitions. [2022-11-20 11:45:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-20 11:45:25,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:25,135 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:45:25,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:45:25,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:45:25,343 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:25,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1003178016, now seen corresponding path program 3 times [2022-11-20 11:45:25,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:45:25,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886167906] [2022-11-20 11:45:25,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:25,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:45:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:45:28,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:45:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:45:28,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:45:28,808 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:45:28,808 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:45:28,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 11:45:28,815 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:45:28,819 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:45:28,882 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,883 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,884 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,884 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,885 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,885 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,886 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,887 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,887 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 11:45:28,896 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-20 11:45:29,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:45:29 BoogieIcfgContainer [2022-11-20 11:45:29,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:45:29,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:45:29,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:45:29,106 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:45:29,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:38:57" (3/4) ... [2022-11-20 11:45:29,110 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:45:29,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:45:29,111 INFO L158 Benchmark]: Toolchain (without parser) took 398210.67ms. Allocated memory was 167.8MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 130.9MB in the beginning and 1.1GB in the end (delta: -985.0MB). Peak memory consumption was 566.5MB. Max. memory is 16.1GB. [2022-11-20 11:45:29,111 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 97.9MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:45:29,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2317.66ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 100.9MB in the end (delta: 30.0MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-11-20 11:45:29,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.51ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 86.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:45:29,115 INFO L158 Benchmark]: Boogie Preprocessor took 212.01ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 71.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:45:29,115 INFO L158 Benchmark]: RCFGBuilder took 3775.01ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 71.5MB in the beginning and 105.7MB in the end (delta: -34.2MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2022-11-20 11:45:29,116 INFO L158 Benchmark]: TraceAbstraction took 391692.86ms. Allocated memory was 220.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 104.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 489.1MB. Max. memory is 16.1GB. [2022-11-20 11:45:29,121 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 1.7GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:45:29,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 97.9MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2317.66ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 100.9MB in the end (delta: 30.0MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 200.51ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 86.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 212.01ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 71.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3775.01ms. Allocated memory was 167.8MB in the beginning and 220.2MB in the end (delta: 52.4MB). Free memory was 71.5MB in the beginning and 105.7MB in the end (delta: -34.2MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * TraceAbstraction took 391692.86ms. Allocated memory was 220.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 104.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 489.1MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 1.7GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5649]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 5773, overapproximation of bitwiseOr at line 5854, overapproximation of bitwiseAnd at line 5856. Possible FailurePath: [L5672] int LDV_IN_INTERRUPT = 1; [L5673] int ref_cnt ; [L5674] struct phy_device *dp83640_driver_group0 ; [L5675] int ldv_state_variable_1 ; [L5676] struct sk_buff *dp83640_driver_group1 ; [L5677] int ldv_state_variable_0 ; [L5717] static int chosen_phy = -1; [L5718-L5720] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5772] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5773-L5776] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6084-L6085] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L6086-L6087] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7237-L7242] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L7259] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L7260] int ldv_retval_0 ; [L7261] int ldv_retval_1 ; [L7590] Element set_impl[15] ; [L7591] int last_index = 0; [L7725] Set LDV_SKBS ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7278] int ldvarg1 ; [L7279] int tmp ; [L7280] struct ifreq *ldvarg3 ; [L7281] void *tmp___0 ; [L7282] struct ethtool_ts_info *ldvarg0 ; [L7283] void *tmp___1 ; [L7284] int ldvarg2 ; [L7285] int tmp___2 ; [L7286] int tmp___3 ; [L7287] int tmp___4 ; [L7288] int tmp___5 ; [L7290] tmp = __VERIFIER_nondet_int() [L7291] ldvarg1 = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50] [L7292] CALL, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=40, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7292] RET, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(40UL)={0:0}, ldvarg1=50, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50] [L7292] tmp___0 = ldv_zalloc(40UL) [L7293] ldvarg3 = (struct ifreq *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}] [L7294] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=44, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7294] RET, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(44UL)={0:0}, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}] [L7294] tmp___1 = ldv_zalloc(44UL) [L7295] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7296] tmp___2 = __VERIFIER_nondet_int() [L7297] ldvarg2 = tmp___2 [L7298] CALL ldv_initialize() [L7744] CALL ldv_set_init(LDV_SKBS) [L7596] set = set_impl [L7597] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={38:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7744] RET ldv_set_init(LDV_SKBS) [L7298] RET ldv_initialize() [L7299] ldv_state_variable_1 = 0 [L7300] ref_cnt = 0 [L7301] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: [L7450] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7451] COND TRUE ldv_state_variable_0 == 1 [L7452] CALL, EXPR dp83640_init() [L7245] int tmp ; [L7247] CALL, EXPR phy_driver_register(& dp83640_driver) [L7899] return __VERIFIER_nondet_int(); [L7247] RET, EXPR phy_driver_register(& dp83640_driver) [L7247] tmp = phy_driver_register(& dp83640_driver) [L7248] return (tmp); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=0] [L7452] RET, EXPR dp83640_init() [L7452] ldv_retval_1 = dp83640_init() [L7453] COND TRUE ldv_retval_1 == 0 [L7454] ldv_state_variable_0 = 3 [L7455] ldv_state_variable_1 = 1 [L7456] CALL ldv_initialize_phy_driver_1() [L7266] void *tmp ; [L7267] void *tmp___0 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7269] CALL, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=2048, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=2048, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7269] RET, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(2048UL)={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7269] tmp = ldv_zalloc(2048UL) [L7270] dp83640_driver_group0 = (struct phy_device *)tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}] [L7271] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=232, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___0=1] [L7271] RET, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(232UL)={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}] [L7271] tmp___0 = ldv_zalloc(232UL) [L7272] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={0:0}, tmp___0={0:0}] [L7456] RET ldv_initialize_phy_driver_1() [L7459] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7381] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7382] CALL dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7172] struct dp83640_private *dp83640 ; [L7173] bool tmp ; [L7175] EXPR phydev->priv [L7175] dp83640 = (struct dp83640_private *)phydev->priv [L7176] EXPR dp83640->hwts_rx_en VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640->hwts_rx_en=4294967304, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, type=50] [L7176] COND FALSE !(dp83640->hwts_rx_en == 0) [L7180] CALL, EXPR is_status_frame(skb, type) [L6126] struct ethhdr *h ; [L6127] struct ethhdr *tmp ; [L6128] int tmp___0 ; [L6130] CALL, EXPR eth_hdr((struct sk_buff const *)skb) [L5681] unsigned char *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5683] CALL, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5577] EXPR skb->head [L5577] EXPR skb->mac_header [L5577] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5683] RET, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, skb_mac_header(skb)={4294967302:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5683] tmp = skb_mac_header(skb) [L5684] return ((struct ethhdr *)tmp); VAL [\old(last_index)=0, \result={4294967302:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={4294967302:0}] [L6130] RET, EXPR eth_hdr((struct sk_buff const *)skb) [L6130] tmp = eth_hdr((struct sk_buff const *)skb) [L6131] h = tmp VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, h={4294967302:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={4294967302:0}, type=50] [L6132] COND TRUE type == 50 [L6133-L6134] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6135] COND TRUE tmp___0 == 0 [L6136] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, h={4294967302:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={4294967302:0}, tmp___0=0, type=50] [L7180] RET, EXPR is_status_frame(skb, type) [L7180] tmp = is_status_frame(skb, type) [L7181] COND TRUE (int )tmp [L7182] CALL decode_status_frame(dp83640, skb) [L6482] struct phy_rxts *phy_rxts ; [L6483] struct phy_txts *phy_txts ; [L6484] u8 *ptr ; [L6485] int len ; [L6486] int size ; [L6487] u16 ests ; [L6488] u16 type ; [L6489] unsigned int tmp ; [L6491] EXPR skb->data [L6491] ptr = skb->data + 2U [L6492] CALL, EXPR skb_headlen((struct sk_buff const *)skb) [L5571] EXPR skb->len [L5571] EXPR skb->data_len [L5571] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6492] RET, EXPR skb_headlen((struct sk_buff const *)skb) [L6492] tmp = skb_headlen((struct sk_buff const *)skb) [L6493] len = (int )(tmp - 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={38:-2}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12] [L6520] COND TRUE (unsigned int )len > 2U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={38:-2}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12] [L6496] EXPR \read(*ptr) [L6496] type = *((u16 *)ptr) [L6497] ests = (unsigned int )type & 4095U [L6498] type = (unsigned int )type & 61440U [L6499] len = (int )((unsigned int )len - 2U) [L6500] ptr = ptr + 2UL VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={38:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6501] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={38:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6506] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6507] phy_txts = (struct phy_txts *)ptr [L6508] CALL decode_txts(dp83640, phy_txts) [L6451] struct skb_shared_hwtstamps shhwtstamps ; [L6452] struct sk_buff *skb ; [L6453] u64 ns ; [L6454] struct _ddebug descriptor ; [L6455] long tmp ; [L6457] CALL, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L7537] struct sk_buff *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, ldv_func_arg1={4294967301:2692}, ldv_func_arg1={4294967301:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7539] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7728] void *skb ; [L7729] void *tmp___7 ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7731] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND FALSE !(tmp___0 != 0) [L5621] EXPR, FCALL calloc(1UL, size) [L5621] tmp = calloc(1UL, size) [L5622] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, calloc(1UL, size)={-18446744073709549604:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709549604:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709549604:0}, tmp___0=0] [L5623] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, cond=1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5623] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, calloc(1UL, size)={-18446744073709549604:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709549604:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709549604:0}, tmp___0=0] [L5624] CALL, EXPR IS_ERR(p) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709549604:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7494] bool tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7496] CALL, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709549604:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7692] return ((unsigned long )ptr > 2012UL); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7496] RET, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7496] tmp = ldv_is_err(ptr) [L7497] return (tmp); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=0] [L5624] RET, EXPR IS_ERR(p) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, calloc(1UL, size)={-18446744073709549604:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709549604:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709549604:0}, tmp___0=0] [L5624] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, cond=1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5624] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, calloc(1UL, size)={-18446744073709549604:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709549604:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709549604:0}, tmp___0=0] [L5625] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709549604:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, calloc(1UL, size)={-18446744073709549604:0}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709549604:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, size=248, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709549604:0}, tmp___0=0] [L7731] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709549604:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7731] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7732] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7={-18446744073709549604:0}] [L7733] COND FALSE !(! skb) [L7736] CALL ldv_set_add(LDV_SKBS, skb) [L7604] int i ; [L7606] i = 0 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709549604:0}, e={-18446744073709549604:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7607] COND TRUE 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709549604:0}, e={-18446744073709549604:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7608] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709549604:0}, e={-18446744073709549604:0}, gpio_tab={32:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7618] COND TRUE last_index < 15 [L7619] set_impl[last_index] = e [L7620] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709549604:0}, e={-18446744073709549604:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7736] RET ldv_set_add(LDV_SKBS, skb) [L7737] return (skb); VAL [\old(last_index)=0, \result={-18446744073709549604:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7={-18446744073709549604:0}] [L7539] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={4294967301:2692}, ldv_func_arg1={4294967301:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={-18446744073709549604:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7539] tmp = ldv_skb_alloc() [L7540] return (tmp); VAL [\old(last_index)=0, \result={-18446744073709549604:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={4294967301:2692}, ldv_func_arg1={4294967301:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp={-18446744073709549604:0}] [L6457] RET, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L6457] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6458] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, descriptor={43:0}, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy_txts={38:0}, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={45:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6473] CALL, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5850] u64 ns ; [L5851] u32 sec ; [L5853] EXPR p->sec_lo [L5853] sec = (u32 )p->sec_lo [L5854] EXPR p->sec_hi [L5854] sec = (u32 )((int )p->sec_hi << 16) | sec [L5855] EXPR p->ns_lo [L5855] ns = (u64 )p->ns_lo [L5856] EXPR p->ns_hi [L5856] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns [L5857] ns = (unsigned long long )sec * 1000000000ULL + ns [L5858] return (ns); VAL [\old(last_index)=0, \result=1000000001, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, p={38:0}, p={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, sec=1, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6473] RET, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, descriptor={43:0}, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy2txts(phy_txts)=1000000001, phy_txts={38:0}, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={45:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6473] ns = phy2txts(phy_txts) [L6474] FCALL memset((void *)(& shhwtstamps), 0, 16UL) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, descriptor={43:0}, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, memset((void *)(& shhwtstamps), 0, 16UL)={45:0}, ns=1000000001, phy_txts={38:0}, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={45:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6475] CALL, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, \old(ns)=1000000001, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [\old(last_index)=0, \old(ns)=1000000001, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, unknown-#res!tv64-unknown=1000000001] [L6475] RET, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, descriptor={43:0}, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, ns_to_ktime(ns)=1000000001, phy_txts={38:0}, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={45:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6475] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6476] FCALL skb_complete_tx_timestamp(skb, & shhwtstamps) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, descriptor={43:0}, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, phy_txts={38:0}, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, shhwtstamps={45:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6477] return; [L6477] return; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=1000000001, phy_txts={38:0}, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6508] RET decode_txts(dp83640, phy_txts) [L6509] size = 8 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=8, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={38:0}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6517] ptr = ptr + (unsigned long )size [L6518] len = len - size VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=0, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={38:8}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L6520] COND FALSE !((unsigned int )len > 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=0, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=0, phy_txts={38:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ptr={38:8}, ref_cnt=0, set_impl={38:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=12, type=4096] [L7182] RET decode_status_frame(dp83640, skb) [L7183] CALL ldv_kfree_skb_18(skb) [L7585] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7751] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7629] int i ; [L7630] int deleted_index ; [L7632] deleted_index = -1 [L7633] i = 0 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7635] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7639] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, set_impl[i]={-18446744073709549604:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7639] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7644] i = i + 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7635] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7646] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, deleted_index=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={32:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7751] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7585] RET ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7183] RET ldv_kfree_skb_18(skb) [L7184] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640={4294967301:0}, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, skb={0:0}, skb={0:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=1, type=50] [L7382] RET dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1)=1, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7383] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7386] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7443] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7444] CALL dp83640_exit() [L7254] CALL dp83640_free_clocks() [L6625] struct dp83640_clock *clock ; [L6626] struct list_head *this ; [L6627] struct list_head *next ; [L6628] struct list_head const *__mptr ; [L6629] int tmp ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6631] FCALL mutex_lock_nested(& phyter_clocks_lock, 0U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L6632] EXPR phyter_clocks.next [L6632] this = phyter_clocks.next [L6633] EXPR this->next [L6633] next = this->next [L6656] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={33:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, this={33:0}] [L6660] FCALL mutex_unlock(& phyter_clocks_lock) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={33:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, this={33:0}] [L7254] RET dp83640_free_clocks() [L7255] FCALL phy_driver_unregister(& dp83640_driver) [L7444] RET dp83640_exit() [L7445] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7480] CALL ldv_check_final_state() [L7795] int tmp___7 ; [L7797] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7686] return (last_index == 0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L7797] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7797] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7798] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}, tmp___7=0] [L7800] CALL ldv_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] [L5649] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967296}, chosen_phy=-1, dp83640_driver={37:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={32:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={33:0}, phyter_clocks_lock={34:0}, ref_cnt=0, set_impl={38:0}, status_frame_dst={35:0}, status_frame_src={36:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 847 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 391.3s, OverallIterations: 23, TraceHistogramMax: 16, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 320.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 38072 SdHoareTripleChecker+Valid, 252.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35946 mSDsluCounter, 113473 SdHoareTripleChecker+Invalid, 231.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96241 mSDsCounter, 21071 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139830 IncrementalHoareTripleChecker+Invalid, 160909 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21071 mSolverCounterUnsat, 17232 mSDtfsCounter, 139830 mSolverCounterSat, 1.5s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3781 GetRequests, 3297 SyntacticMatches, 19 SemanticMatches, 465 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5453 ImplicationChecksByTransitivity, 52.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9165occurred in iteration=22, InterpolantAutomatonStates: 347, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 15.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 23014 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 8.7s SatisfiabilityAnalysisTime, 40.2s InterpolantComputationTime, 5032 NumberOfCodeBlocks, 5032 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 6126 ConstructedInterpolants, 0 QuantifiedInterpolants, 14904 SizeOfPredicates, 56 NumberOfNonLiveVariables, 10915 ConjunctsInSsa, 216 ConjunctsInUnsatCore, 36 InterpolantComputations, 16 PerfectInterpolantSequences, 2411/2674 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 11:45:29,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN --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 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:45:32,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:45:32,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:45:32,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:45:32,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:45:32,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:45:32,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:45:32,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:45:32,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:45:32,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:45:32,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:45:32,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:45:32,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:45:32,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:45:32,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:45:32,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:45:32,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:45:32,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:45:32,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:45:32,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:45:32,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:45:32,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:45:32,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:45:32,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:45:32,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:45:32,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:45:32,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:45:32,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:45:32,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:45:32,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:45:32,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:45:32,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:45:32,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:45:32,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:45:32,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:45:32,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:45:32,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:45:32,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:45:32,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:45:32,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:45:32,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:45:32,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:45:32,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:45:32,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:45:32,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:45:32,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:45:32,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:45:32,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:45:32,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:45:32,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:45:32,263 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:45:32,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:45:32,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:45:32,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:45:32,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:45:32,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:45:32,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:45:32,266 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:45:32,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:45:32,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:45:32,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:45:32,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:45:32,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:45:32,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:45:32,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:45:32,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:32,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:45:32,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:45:32,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:45:32,269 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:45:32,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:45:32,270 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:45:32,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:45:32,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:45:32,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:45:32,271 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-11-20 11:45:32,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:45:32,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:45:32,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:45:32,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:45:32,745 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:45:32,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-20 11:45:36,223 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:45:36,872 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:45:36,873 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-20 11:45:36,933 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data/45997a55d/166539cf57064db4b17be196c87b85e4/FLAG83ec17267 [2022-11-20 11:45:36,956 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d9442f-d149-4b45-af4f-d29abeff1eaa/bin/uautomizer-ug76WZFUDN/data/45997a55d/166539cf57064db4b17be196c87b85e4 [2022-11-20 11:45:36,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:45:36,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:45:36,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:45:36,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:45:36,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:45:36,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:36" (1/1) ... [2022-11-20 11:45:36,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bf63a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:45:36, skipping insertion in model container [2022-11-20 11:45:36,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:45:36" (1/1) ... [2022-11-20 11:45:36,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:45:37,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:45:38,252 WARN L237 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_a0d9442f-d149-4b45-af4f-d29abeff1eaa/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-20 11:45:38,354 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: snprintf((char *)(& (pd + (unsigned long )i)->name), 64UL, "GPIO%d", i + 1) [5729] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:617) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleSnPrintF(StandardFunctionHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$21(StandardFunctionHandler.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1867) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:202) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:45:38,360 INFO L158 Benchmark]: Toolchain (without parser) took 1398.42ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 38.1MB in the end (delta: 19.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-20 11:45:38,361 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:45:38,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.72ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 38.1MB in the end (delta: 19.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-20 11:45:38,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.72ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 38.1MB in the end (delta: 19.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& (pd + (unsigned long )i)->name), 64UL, "GPIO%d", i + 1) [5729] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: snprintf((char *)(& (pd + (unsigned long )i)->name), 64UL, "GPIO%d", i + 1) [5729]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& (pd + (unsigned long )i)->name), 64UL, "GPIO%d", i + 1) [5729]