./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.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_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/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_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/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_fcd6b9a5-1385-4622-abd7-bea359eb47fc/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 7e95d09d0a325511d2d23c5463607122c33b5407011c57d58d8c5bc66ca09147 --- 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 10:21:33,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:21:33,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:21:33,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:21:33,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:21:33,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:21:33,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:21:33,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:21:33,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:21:33,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:21:33,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:21:33,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:21:33,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:21:33,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:21:33,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:21:33,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:21:33,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:21:33,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:21:33,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:21:33,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:21:33,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:21:33,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:21:33,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:21:33,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:21:33,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:21:33,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:21:33,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:21:33,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:21:33,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:21:33,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:21:33,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:21:33,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:21:33,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:21:33,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:21:33,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:21:33,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:21:33,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:21:33,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:21:33,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:21:33,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:21:33,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:21:33,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:21:33,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:21:33,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:21:33,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:21:33,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:21:33,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:21:33,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:21:33,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:21:33,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:21:33,848 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:21:33,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:21:33,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:21:33,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:21:33,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:21:33,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:21:33,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:21:33,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:21:33,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:21:33,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:21:33,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:21:33,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:21:33,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:21:33,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:21:33,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:21:33,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:21:33,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:21:33,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:21:33,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:21:33,854 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:21:33,854 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:21:33,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:21:33,854 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_fcd6b9a5-1385-4622-abd7-bea359eb47fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e95d09d0a325511d2d23c5463607122c33b5407011c57d58d8c5bc66ca09147 [2022-10-17 10:21:34,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:21:34,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:21:34,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:21:34,172 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:21:34,174 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:21:34,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2022-10-17 10:21:34,267 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/data/1b4977849/8c6ee8f6f997418089f8143366aa853e/FLAG8571b0a4c [2022-10-17 10:21:35,280 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:21:35,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2022-10-17 10:21:35,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/data/1b4977849/8c6ee8f6f997418089f8143366aa853e/FLAG8571b0a4c [2022-10-17 10:21:35,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/data/1b4977849/8c6ee8f6f997418089f8143366aa853e [2022-10-17 10:21:35,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:21:35,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:21:35,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:21:35,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:21:35,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:21:35,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:21:35" (1/1) ... [2022-10-17 10:21:35,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f592798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:35, skipping insertion in model container [2022-10-17 10:21:35,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:21:35" (1/1) ... [2022-10-17 10:21:35,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:21:35,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:21:36,513 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2022-10-17 10:21:36,514 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2022-10-17 10:21:36,779 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_fcd6b9a5-1385-4622-abd7-bea359eb47fc/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i[160045,160058] [2022-10-17 10:21:38,165 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-17 10:21:38,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:21:38,217 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:21:38,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5334] [2022-10-17 10:21:38,344 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5335-5336] [2022-10-17 10:21:38,353 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_fcd6b9a5-1385-4622-abd7-bea359eb47fc/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i[160045,160058] [2022-10-17 10:21:38,813 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-17 10:21:38,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:21:38,984 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:21:38,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38 WrapperNode [2022-10-17 10:21:38,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:21:38,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:21:38,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:21:38,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:21:38,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,321 INFO L138 Inliner]: procedures = 228, calls = 1503, calls flagged for inlining = 97, calls inlined = 94, statements flattened = 3951 [2022-10-17 10:21:39,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:21:39,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:21:39,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:21:39,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:21:39,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:21:39,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:21:39,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:21:39,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:21:39,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (1/1) ... [2022-10-17 10:21:39,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:21:39,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:21:39,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:21:39,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcd6b9a5-1385-4622-abd7-bea359eb47fc/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:21:39,779 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reclassify [2022-10-17 10:21:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reclassify [2022-10-17 10:21:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_create_dflt [2022-10-17 10:21:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_create_dflt [2022-10-17 10:21:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_police [2022-10-17 10:21:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_police [2022-10-17 10:21:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:21:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:21:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_pkt_len [2022-10-17 10:21:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_pkt_len [2022-10-17 10:21:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reset [2022-10-17 10:21:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reset [2022-10-17 10:21:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_reset [2022-10-17 10:21:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_reset [2022-10-17 10:21:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-10-17 10:21:39,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-10-17 10:21:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:21:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:21:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_put_rtab [2022-10-17 10:21:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_put_rtab [2022-10-17 10:21:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class_stats [2022-10-17 10:21:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class_stats [2022-10-17 10:21:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-10-17 10:21:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-10-17 10:21:39,784 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_ovl_classic [2022-10-17 10:21:39,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_ovl_classic [2022-10-17 10:21:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_overlimit [2022-10-17 10:21:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_overlimit [2022-10-17 10:21:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_normalize_quanta [2022-10-17 10:21:39,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_normalize_quanta [2022-10-17 10:21:39,785 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_enqueue [2022-10-17 10:21:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_enqueue [2022-10-17 10:21:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_delete [2022-10-17 10:21:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_delete [2022-10-17 10:21:39,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:21:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:21:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump [2022-10-17 10:21:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump [2022-10-17 10:21:39,787 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_unlock [2022-10-17 10:21:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_unlock [2022-10-17 10:21:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_link_class [2022-10-17 10:21:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_link_class [2022-10-17 10:21:39,788 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-10-17 10:21:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-10-17 10:21:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:21:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:21:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_stats [2022-10-17 10:21:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_stats [2022-10-17 10:21:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure gnet_stats_copy_app [2022-10-17 10:21:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure gnet_stats_copy_app [2022-10-17 10:21:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping_lock [2022-10-17 10:21:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping_lock [2022-10-17 10:21:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_lss [2022-10-17 10:21:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_lss [2022-10-17 10:21:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy [2022-10-17 10:21:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy [2022-10-17 10:21:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:21:39,794 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_unthrottled [2022-10-17 10:21:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_unthrottled [2022-10-17 10:21:39,795 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_class_lookup [2022-10-17 10:21:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_class_lookup [2022-10-17 10:21:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_prio [2022-10-17 10:21:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_prio [2022-10-17 10:21:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure psched_get_time [2022-10-17 10:21:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure psched_get_time [2022-10-17 10:21:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_fopt [2022-10-17 10:21:39,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_fopt [2022-10-17 10:21:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:21:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:21:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 10:21:39,798 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 10:21:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue_1 [2022-10-17 10:21:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue_1 [2022-10-17 10:21:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-17 10:21:39,799 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_activate_class [2022-10-17 10:21:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_activate_class [2022-10-17 10:21:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-10-17 10:21:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-10-17 10:21:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:21:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:21:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure tcf_destroy_chain [2022-10-17 10:21:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tcf_destroy_chain [2022-10-17 10:21:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_sync_defmap [2022-10-17 10:21:39,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_sync_defmap [2022-10-17 10:21:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-10-17 10:21:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-10-17 10:21:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_adjust_levels [2022-10-17 10:21:39,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_adjust_levels [2022-10-17 10:21:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_bind_filter [2022-10-17 10:21:39,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_bind_filter [2022-10-17 10:21:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-17 10:21:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-17 10:21:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 10:21:39,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 10:21:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_enqueue [2022-10-17 10:21:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_enqueue [2022-10-17 10:21:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_peek_dequeued [2022-10-17 10:21:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_peek_dequeued [2022-10-17 10:21:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:21:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_mark_toplevel [2022-10-17 10:21:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_mark_toplevel [2022-10-17 10:21:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_get [2022-10-17 10:21:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_get [2022-10-17 10:21:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure nla_parse_nested [2022-10-17 10:21:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_parse_nested [2022-10-17 10:21:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_get_expires [2022-10-17 10:21:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_get_expires [2022-10-17 10:21:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 10:21:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 10:21:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 10:21:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 10:21:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_reshape_fail [2022-10-17 10:21:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_reshape_fail [2022-10-17 10:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:21:39,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:21:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_root_sleeping [2022-10-17 10:21:39,814 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_root_sleeping [2022-10-17 10:21:39,815 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_init [2022-10-17 10:21:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_init [2022-10-17 10:21:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:21:39,816 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_class [2022-10-17 10:21:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_class [2022-10-17 10:21:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure sch_tree_lock [2022-10-17 10:21:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure sch_tree_lock [2022-10-17 10:21:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dump_attr [2022-10-17 10:21:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dump_attr [2022-10-17 10:21:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:21:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:21:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_find_tcf [2022-10-17 10:21:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_find_tcf [2022-10-17 10:21:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_drop [2022-10-17 10:21:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_drop [2022-10-17 10:21:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:21:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_rmprio [2022-10-17 10:21:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_rmprio [2022-10-17 10:21:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:21:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_priv [2022-10-17 10:21:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_priv [2022-10-17 10:21:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_walk [2022-10-17 10:21:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_walk [2022-10-17 10:21:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:21:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_get_rtab [2022-10-17 10:21:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_get_rtab [2022-10-17 10:21:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-10-17 10:21:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-10-17 10:21:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_addprio [2022-10-17 10:21:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_addprio [2022-10-17 10:21:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:21:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:21:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_change_class [2022-10-17 10:21:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_change_class [2022-10-17 10:21:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_deactivate_class [2022-10-17 10:21:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_deactivate_class [2022-10-17 10:21:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_dev [2022-10-17 10:21:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_dev [2022-10-17 10:21:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-17 10:21:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-17 10:21:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2022-10-17 10:21:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2022-10-17 10:21:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_qlen_notify [2022-10-17 10:21:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_qlen_notify [2022-10-17 10:21:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_destroy_class [2022-10-17 10:21:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_destroy_class [2022-10-17 10:21:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_l2t [2022-10-17 10:21:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_l2t [2022-10-17 10:21:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:21:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:21:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_graft [2022-10-17 10:21:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_graft [2022-10-17 10:21:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:21:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 10:21:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_set_wrr [2022-10-17 10:21:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_set_wrr [2022-10-17 10:21:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_dequeue [2022-10-17 10:21:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_dequeue [2022-10-17 10:21:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:21:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_put [2022-10-17 10:21:39,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_put [2022-10-17 10:21:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_tree_decrease_qlen [2022-10-17 10:21:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_tree_decrease_qlen [2022-10-17 10:21:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-10-17 10:21:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-10-17 10:21:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:21:39,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:21:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure cbq_leaf [2022-10-17 10:21:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cbq_leaf [2022-10-17 10:21:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-17 10:21:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-17 10:21:40,743 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:21:40,802 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:21:40,946 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:21:48,351 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:21:48,380 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:21:48,380 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:21:48,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:21:48 BoogieIcfgContainer [2022-10-17 10:21:48,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:21:48,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:21:48,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:21:48,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:21:48,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:21:35" (1/3) ... [2022-10-17 10:21:48,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f71939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:21:48, skipping insertion in model container [2022-10-17 10:21:48,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:21:38" (2/3) ... [2022-10-17 10:21:48,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54f71939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:21:48, skipping insertion in model container [2022-10-17 10:21:48,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:21:48" (3/3) ... [2022-10-17 10:21:48,396 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--sched--sch_cbq.ko-entry_point.cil.out.i [2022-10-17 10:21:48,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:21:48,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:21:48,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:21:48,571 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;@242c44c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:21:48,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:21:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 1543 states, 1157 states have (on average 1.3898012100259292) internal successors, (1608), 1181 states have internal predecessors, (1608), 298 states have call successors, (298), 87 states have call predecessors, (298), 86 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) [2022-10-17 10:21:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-17 10:21:48,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:21:48,639 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:21:48,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:21:48,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:21:48,646 INFO L85 PathProgramCache]: Analyzing trace with hash 204289776, now seen corresponding path program 1 times [2022-10-17 10:21:48,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:21:48,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260198816] [2022-10-17 10:21:48,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:21:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:21:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:21:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:21:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:21:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:21:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:21:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:21:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:21:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:21:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:21:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-17 10:21:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-17 10:21:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-17 10:21:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:21:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-17 10:21:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-17 10:21:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:21:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:21:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-10-17 10:21:49,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:21:49,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260198816] [2022-10-17 10:21:49,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260198816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:21:49,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:21:49,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:21:49,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345101657] [2022-10-17 10:21:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:21:49,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:21:49,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:21:49,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:21:49,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:21:49,806 INFO L87 Difference]: Start difference. First operand has 1543 states, 1157 states have (on average 1.3898012100259292) internal successors, (1608), 1181 states have internal predecessors, (1608), 298 states have call successors, (298), 87 states have call predecessors, (298), 86 states have return successors, (294), 292 states have call predecessors, (294), 294 states have call successors, (294) Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-17 10:21:56,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:22:00,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:22:00,439 INFO L93 Difference]: Finished difference Result 4709 states and 6927 transitions. [2022-10-17 10:22:00,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:22:00,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 141 [2022-10-17 10:22:00,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:22:00,514 INFO L225 Difference]: With dead ends: 4709 [2022-10-17 10:22:00,514 INFO L226 Difference]: Without dead ends: 3145 [2022-10-17 10:22:00,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:22:00,542 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2919 mSDsluCounter, 3009 mSDsCounter, 0 mSdLazyCounter, 2966 mSolverCounterSat, 893 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3138 SdHoareTripleChecker+Valid, 5270 SdHoareTripleChecker+Invalid, 3860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 893 IncrementalHoareTripleChecker+Valid, 2966 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:22:00,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3138 Valid, 5270 Invalid, 3860 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [893 Valid, 2966 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-10-17 10:22:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3145 states. [2022-10-17 10:22:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3145 to 2479. [2022-10-17 10:22:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2479 states, 1878 states have (on average 1.3791267305644301) internal successors, (2590), 1908 states have internal predecessors, (2590), 455 states have call successors, (455), 145 states have call predecessors, (455), 145 states have return successors, (457), 449 states have call predecessors, (457), 454 states have call successors, (457) [2022-10-17 10:22:00,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3502 transitions. [2022-10-17 10:22:00,952 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3502 transitions. Word has length 141 [2022-10-17 10:22:00,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:22:00,954 INFO L495 AbstractCegarLoop]: Abstraction has 2479 states and 3502 transitions. [2022-10-17 10:22:00,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-17 10:22:00,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3502 transitions. [2022-10-17 10:22:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-17 10:22:00,989 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:22:00,990 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:22:00,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:22:00,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:22:00,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:22:00,992 INFO L85 PathProgramCache]: Analyzing trace with hash 928308030, now seen corresponding path program 1 times [2022-10-17 10:22:00,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:22:00,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934776666] [2022-10-17 10:22:00,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:22:00,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:22:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:22:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:22:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:22:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:22:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-17 10:22:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-17 10:22:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:22:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:22:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:22:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-17 10:22:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:22:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:22:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-17 10:22:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-17 10:22:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-17 10:22:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:22:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-17 10:22:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-17 10:22:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:22:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:22:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-10-17 10:22:01,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:22:01,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934776666] [2022-10-17 10:22:01,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934776666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:22:01,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:22:01,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:22:01,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490657818] [2022-10-17 10:22:01,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:22:01,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:22:01,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:22:01,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:22:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:22:01,704 INFO L87 Difference]: Start difference. First operand 2479 states and 3502 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)