./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ --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 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 --- 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-dbf71c6-m [2022-10-17 10:31:52,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:31:52,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:31:52,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:31:52,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:31:52,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:31:52,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:31:52,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:31:52,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:31:52,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:31:52,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:31:52,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:31:52,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:31:52,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:31:52,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:31:52,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:31:52,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:31:52,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:31:52,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:31:52,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:31:52,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:31:52,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:31:52,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:31:52,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:31:52,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:31:52,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:31:52,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:31:52,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:31:52,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:31:52,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:31:52,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:31:52,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:31:52,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:31:52,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:31:52,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:31:52,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:31:52,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:31:52,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:31:52,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:31:52,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:31:52,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:31:52,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:31:52,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:31:52,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:31:52,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:31:52,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:31:52,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:31:52,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:31:52,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:31:52,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:31:52,718 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:31:52,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:31:52,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:31:52,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:31:52,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:31:52,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:31:52,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:31:52,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:31:52,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:31:52,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:31:52,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:31:52,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:31:52,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:31:52,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:52,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:31:52,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:31:52,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:31:52,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:31:52,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:31:52,722 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:31:52,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:31:52,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:31:52,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 283b2978ab7cc2aad6d9ef5bd7f2056001c273cafa889d9023ed11b9be13f4c5 [2022-10-17 10:31:52,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:31:52,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:31:52,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:31:52,989 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:31:52,990 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:31:52,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-10-17 10:31:53,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/data/24f38a2ab/e1ec2367814349e5adf3b35d320d7194/FLAG13e345f4a [2022-10-17 10:31:53,997 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:31:53,998 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-10-17 10:31:54,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/data/24f38a2ab/e1ec2367814349e5adf3b35d320d7194/FLAG13e345f4a [2022-10-17 10:31:54,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/data/24f38a2ab/e1ec2367814349e5adf3b35d320d7194 [2022-10-17 10:31:54,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:31:54,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:31:54,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:54,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:31:54,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:31:54,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:54" (1/1) ... [2022-10-17 10:31:54,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8cc2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:54, skipping insertion in model container [2022-10-17 10:31:54,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:31:54" (1/1) ... [2022-10-17 10:31:54,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:31:54,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:31:57,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2022-10-17 10:31:57,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:57,294 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:31:57,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i[319471,319484] [2022-10-17 10:31:57,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:31:58,020 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:31:58,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58 WrapperNode [2022-10-17 10:31:58,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:31:58,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:58,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:31:58,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:31:58,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,366 INFO L138 Inliner]: procedures = 336, calls = 1905, calls flagged for inlining = 163, calls inlined = 135, statements flattened = 4663 [2022-10-17 10:31:58,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:31:58,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:31:58,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:31:58,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:31:58,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,702 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:31:58,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:31:58,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:31:58,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:31:58,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (1/1) ... [2022-10-17 10:31:58,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:31:58,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:58,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:58,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba0edb94-e352-4c2b-a6e6-fde4750451a6/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:31:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:31:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-10-17 10:31:58,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-10-17 10:31:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:31:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:31:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:31:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:31:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:31:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-10-17 10:31:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-10-17 10:31:58,838 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_change_mtu [2022-10-17 10:31:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_change_mtu [2022-10-17 10:31:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-17 10:31:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-17 10:31:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-10-17 10:31:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-10-17 10:31:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-17 10:31:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-17 10:31:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 10:31:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 10:31:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:31:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:31:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-10-17 10:31:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-10-17 10:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2022-10-17 10:31:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2022-10-17 10:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-10-17 10:31:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-10-17 10:31:58,841 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-10-17 10:31:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-10-17 10:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_remove [2022-10-17 10:31:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_remove [2022-10-17 10:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_percpu [2022-10-17 10:31:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_percpu [2022-10-17 10:31:58,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:31:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_txreqs [2022-10-17 10:31:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_txreqs [2022-10-17 10:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_destroy_queues [2022-10-17 10:31:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_destroy_queues [2022-10-17 10:31:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-17 10:31:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-17 10:31:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 10:31:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 10:31:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-10-17 10:31:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-10-17 10:31:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-10-17 10:31:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-10-17 10:31:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 10:31:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 10:31:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-10-17 10:31:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-10-17 10:31:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:31:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:31:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2022-10-17 10:31:58,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2022-10-17 10:31:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-10-17 10:31:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-10-17 10:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-10-17 10:31:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-10-17 10:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_stats64 [2022-10-17 10:31:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_stats64 [2022-10-17 10:31:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:31:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:31:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-10-17 10:31:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-10-17 10:31:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 10:31:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 10:31:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-10-17 10:31:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-10-17 10:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 10:31:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 10:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:31:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-10-17 10:31:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-10-17 10:31:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-10-17 10:31:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-10-17 10:31:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-10-17 10:31:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-10-17 10:31:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 10:31:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 10:31:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-17 10:31:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-10-17 10:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_can_sg [2022-10-17 10:31:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_can_sg [2022-10-17 10:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:31:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:31:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 10:31:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 10:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 10:31:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 10:31:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:31:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:31:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-10-17 10:31:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-10-17 10:31:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:31:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:31:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-10-17 10:31:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-10-17 10:31:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:31:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 10:31:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 10:31:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:31:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure write_queue_xenstore_keys [2022-10-17 10:31:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure write_queue_xenstore_keys [2022-10-17 10:31:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-10-17 10:31:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-10-17 10:31:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 10:31:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 10:31:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-10-17 10:31:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-10-17 10:31:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-10-17 10:31:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-10-17 10:31:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-10-17 10:31:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-10-17 10:31:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 10:31:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 10:31:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 10:31:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 10:31:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf [2022-10-17 10:31:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf [2022-10-17 10:31:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 10:31:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 10:31:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-10-17 10:31:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-10-17 10:31:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-10-17 10:31:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-10-17 10:31:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:31:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_make_one_txreq [2022-10-17 10:31:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_make_one_txreq [2022-10-17 10:31:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-17 10:31:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-17 10:31:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-10-17 10:31:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-10-17 10:31:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-10-17 10:31:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-10-17 10:31:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 10:31:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 10:31:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:31:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:31:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:31:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-10-17 10:31:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-10-17 10:31:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-10-17 10:31:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-10-17 10:31:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_free_netdev [2022-10-17 10:31:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_free_netdev [2022-10-17 10:31:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure netback_changed [2022-10-17 10:31:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_changed [2022-10-17 10:31:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_poll_controller [2022-10-17 10:31:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_poll_controller [2022-10-17 10:31:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:31:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-10-17 10:31:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-10-17 10:31:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:31:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:31:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_select_queue [2022-10-17 10:31:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_select_queue [2022-10-17 10:31:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-10-17 10:31:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-10-17 10:31:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:31:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:31:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:31:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:31:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 10:31:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 10:31:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2022-10-17 10:31:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2022-10-17 10:31:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:31:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:31:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-10-17 10:31:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-10-17 10:31:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:31:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 10:31:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 10:31:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-10-17 10:31:58,865 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-10-17 10:31:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:31:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:31:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:31:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:31:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_fix_features [2022-10-17 10:31:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_fix_features [2022-10-17 10:31:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:31:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-10-17 10:31:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:31:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:31:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_phys_to_machine [2022-10-17 10:31:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure get_phys_to_machine [2022-10-17 10:31:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:31:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 10:31:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 10:31:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-10-17 10:31:58,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-10-17 10:31:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:31:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-10-17 10:31:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-10-17 10:31:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-10-17 10:31:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-10-17 10:31:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure show_rxbuf [2022-10-17 10:31:58,869 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rxbuf [2022-10-17 10:31:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-10-17 10:31:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-10-17 10:31:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:31:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:31:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-10-17 10:31:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-10-17 10:31:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-17 10:31:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-17 10:31:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_set_features [2022-10-17 10:31:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_set_features [2022-10-17 10:31:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-10-17 10:31:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-10-17 10:31:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2022-10-17 10:31:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2022-10-17 10:31:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:31:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-10-17 10:31:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-10-17 10:31:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:31:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:31:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-10-17 10:31:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-10-17 10:31:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 10:31:58,873 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 10:31:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:31:58,873 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:31:59,755 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:31:59,762 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:32:00,594 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:32:05,376 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:32:05,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:32:05,394 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:32:05,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:32:05 BoogieIcfgContainer [2022-10-17 10:32:05,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:32:05,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:32:05,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:32:05,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:32:05,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:31:54" (1/3) ... [2022-10-17 10:32:05,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a88145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:32:05, skipping insertion in model container [2022-10-17 10:32:05,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:31:58" (2/3) ... [2022-10-17 10:32:05,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a88145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:32:05, skipping insertion in model container [2022-10-17 10:32:05,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:32:05" (3/3) ... [2022-10-17 10:32:05,408 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--xen-netfront.ko-entry_point.cil.out.i [2022-10-17 10:32:05,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:32:05,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:32:05,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:32:05,527 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;@d4c9cc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:32:05,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:32:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 1598 states, 1139 states have (on average 1.3406496927129061) internal successors, (1527), 1174 states have internal predecessors, (1527), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) [2022-10-17 10:32:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-10-17 10:32:05,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:05,590 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 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] [2022-10-17 10:32:05,591 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:05,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash -346562874, now seen corresponding path program 1 times [2022-10-17 10:32:05,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:05,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412444357] [2022-10-17 10:32:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:32:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:32:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:32:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:32:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:32:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:32:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:32:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:32:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:32:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:32:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:32:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-17 10:32:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-17 10:32:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-17 10:32:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-10-17 10:32:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-17 10:32:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-17 10:32:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-17 10:32:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-17 10:32:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-10-17 10:32:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-10-17 10:32:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-10-17 10:32:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-10-17 10:32:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-10-17 10:32:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-17 10:32:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-10-17 10:32:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-10-17 10:32:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:32:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-10-17 10:32:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-10-17 10:32:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-10-17 10:32:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-10-17 10:32:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2022-10-17 10:32:07,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:07,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412444357] [2022-10-17 10:32:07,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412444357] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:07,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:07,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:32:07,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280497721] [2022-10-17 10:32:07,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:07,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:32:07,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:07,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:32:07,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:32:07,897 INFO L87 Difference]: Start difference. First operand has 1598 states, 1139 states have (on average 1.3406496927129061) internal successors, (1527), 1174 states have internal predecessors, (1527), 352 states have call successors, (352), 106 states have call predecessors, (352), 105 states have return successors, (343), 340 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-10-17 10:32:11,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:32:11,961 INFO L93 Difference]: Finished difference Result 3408 states and 4847 transitions. [2022-10-17 10:32:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:32:11,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 447 [2022-10-17 10:32:11,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:32:11,997 INFO L225 Difference]: With dead ends: 3408 [2022-10-17 10:32:11,998 INFO L226 Difference]: Without dead ends: 1785 [2022-10-17 10:32:12,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:32:12,018 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 2400 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 1975 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 3408 SdHoareTripleChecker+Invalid, 3231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1975 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-17 10:32:12,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2524 Valid, 3408 Invalid, 3231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1975 Valid, 1256 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-17 10:32:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2022-10-17 10:32:12,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1571. [2022-10-17 10:32:12,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1123 states have (on average 1.307212822796082) internal successors, (1468), 1147 states have internal predecessors, (1468), 343 states have call successors, (343), 105 states have call predecessors, (343), 104 states have return successors, (342), 339 states have call predecessors, (342), 342 states have call successors, (342) [2022-10-17 10:32:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2153 transitions. [2022-10-17 10:32:12,260 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2153 transitions. Word has length 447 [2022-10-17 10:32:12,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:32:12,262 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2153 transitions. [2022-10-17 10:32:12,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 2 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-10-17 10:32:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2153 transitions. [2022-10-17 10:32:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-10-17 10:32:12,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:32:12,283 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 3, 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] [2022-10-17 10:32:12,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:32:12,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:32:12,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:32:12,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1162168998, now seen corresponding path program 1 times [2022-10-17 10:32:12,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:32:12,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302511160] [2022-10-17 10:32:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:32:12,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:32:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:32:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:32:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:32:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:32:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:32:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:32:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:32:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:32:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:32:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:32:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:32:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-17 10:32:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-10-17 10:32:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-10-17 10:32:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-10-17 10:32:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-17 10:32:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-17 10:32:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-17 10:32:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-17 10:32:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-10-17 10:32:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-10-17 10:32:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-10-17 10:32:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-10-17 10:32:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-10-17 10:32:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-10-17 10:32:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-10-17 10:32:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-10-17 10:32:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:32:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:32:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-10-17 10:32:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-10-17 10:32:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-10-17 10:32:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:32:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-10-17 10:32:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:32:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2022-10-17 10:32:13,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:32:13,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302511160] [2022-10-17 10:32:13,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302511160] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:32:13,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:32:13,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:32:13,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792690766] [2022-10-17 10:32:13,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:32:13,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:32:13,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:32:13,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:32:13,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:32:13,710 INFO L87 Difference]: Start difference. First operand 1571 states and 2153 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39)