./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 --- 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-5e519f3 [2022-11-03 03:37:20,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:37:20,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:37:20,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:37:20,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:37:20,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:37:20,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:37:20,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:37:20,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:37:20,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:37:20,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:37:20,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:37:20,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:37:20,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:37:20,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:37:20,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:37:20,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:37:20,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:37:20,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:37:20,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:37:20,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:37:20,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:37:20,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:37:20,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:37:20,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:37:20,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:37:20,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:37:20,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:37:20,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:37:20,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:37:20,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:37:20,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:37:20,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:37:20,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:37:20,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:37:20,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:37:20,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:37:20,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:37:20,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:37:20,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:37:20,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:37:20,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:37:20,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:37:20,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:37:20,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:37:20,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:37:20,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:37:20,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:37:20,921 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:37:20,922 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:37:20,922 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:37:20,922 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:37:20,923 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:37:20,924 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:37:20,924 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:37:20,924 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:37:20,925 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:37:20,925 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:37:20,925 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:37:20,926 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:37:20,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:37:20,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:37:20,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:37:20,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:37:20,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:37:20,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:37:20,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:37:20,929 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:37:20,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:37:20,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:37:20,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:37:20,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:37:20,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:37:20,931 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:37:20,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:37:20,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:37:20,932 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:37:20,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:37:20,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:37:20,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:37:20,933 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_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-11-03 03:37:21,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:37:21,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:37:21,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:37:21,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:37:21,274 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:37:21,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-03 03:37:21,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/data/017132993/6130a3b6abf34a3bacbde3bfba5810b5/FLAGbe82c895a [2022-11-03 03:37:22,193 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:37:22,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-03 03:37:22,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/data/017132993/6130a3b6abf34a3bacbde3bfba5810b5/FLAGbe82c895a [2022-11-03 03:37:22,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/data/017132993/6130a3b6abf34a3bacbde3bfba5810b5 [2022-11-03 03:37:22,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:37:22,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:37:22,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:37:22,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:37:22,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:37:22,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:37:22" (1/1) ... [2022-11-03 03:37:22,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c39d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:22, skipping insertion in model container [2022-11-03 03:37:22,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:37:22" (1/1) ... [2022-11-03 03:37:22,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:37:22,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:37:25,021 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_f1d9dc02-f018-450f-9b22-450121e83a9d/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-11-03 03:37:25,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:37:25,155 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:37:25,639 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_f1d9dc02-f018-450f-9b22-450121e83a9d/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-11-03 03:37:25,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:37:25,748 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:37:25,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25 WrapperNode [2022-11-03 03:37:25,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:37:25,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:37:25,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:37:25,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:37:25,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:25,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,069 INFO L138 Inliner]: procedures = 355, calls = 3279, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6846 [2022-11-03 03:37:26,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:37:26,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:37:26,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:37:26,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:37:26,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:37:26,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:37:26,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:37:26,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:37:26,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (1/1) ... [2022-11-03 03:37:26,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:37:26,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:37:26,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:37:26,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d9dc02-f018-450f-9b22-450121e83a9d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:37:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-11-03 03:37:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-11-03 03:37:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:37:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:37:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-11-03 03:37:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-11-03 03:37:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-11-03 03:37:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-11-03 03:37:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2022-11-03 03:37:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2022-11-03 03:37:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-03 03:37:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-03 03:37:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:37:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-11-03 03:37:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-11-03 03:37:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:37:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 03:37:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 03:37:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-11-03 03:37:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-11-03 03:37:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:37:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:37:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:37:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:37:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-11-03 03:37:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-11-03 03:37:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-11-03 03:37:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-11-03 03:37:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 03:37:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 03:37:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-11-03 03:37:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-11-03 03:37:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:37:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:37:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-11-03 03:37:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-11-03 03:37:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-11-03 03:37:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-11-03 03:37:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-11-03 03:37:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-11-03 03:37:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-11-03 03:37:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-11-03 03:37:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-11-03 03:37:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-11-03 03:37:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-11-03 03:37:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-11-03 03:37:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-11-03 03:37:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-11-03 03:37:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-11-03 03:37:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-11-03 03:37:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-11-03 03:37:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-11-03 03:37:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-11-03 03:37:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-11-03 03:37:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:37:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:37:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-11-03 03:37:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-11-03 03:37:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-11-03 03:37:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-11-03 03:37:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 03:37:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 03:37:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:37:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:37:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-03 03:37:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-03 03:37:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-11-03 03:37:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-11-03 03:37:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-11-03 03:37:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-11-03 03:37:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:37:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:37:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-11-03 03:37:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-11-03 03:37:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-11-03 03:37:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-11-03 03:37:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-11-03 03:37:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-11-03 03:37:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-11-03 03:37:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-11-03 03:37:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2022-11-03 03:37:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2022-11-03 03:37:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-11-03 03:37:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-11-03 03:37:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-11-03 03:37:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-11-03 03:37:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-11-03 03:37:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-11-03 03:37:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2022-11-03 03:37:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2022-11-03 03:37:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-11-03 03:37:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-11-03 03:37:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-03 03:37:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-03 03:37:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:37:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:37:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:37:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-11-03 03:37:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-11-03 03:37:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:37:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-11-03 03:37:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-11-03 03:37:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 03:37:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 03:37:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-11-03 03:37:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-11-03 03:37:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:37:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:37:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-03 03:37:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-03 03:37:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:37:26,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:37:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-11-03 03:37:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-11-03 03:37:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-03 03:37:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-03 03:37:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:37:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:37:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-03 03:37:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-03 03:37:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-11-03 03:37:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-11-03 03:37:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-11-03 03:37:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-11-03 03:37:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-03 03:37:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:37:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:37:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-11-03 03:37:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-11-03 03:37:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 03:37:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 03:37:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-11-03 03:37:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-11-03 03:37:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-11-03 03:37:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-11-03 03:37:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-11-03 03:37:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-11-03 03:37:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:37:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:37:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-11-03 03:37:26,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-11-03 03:37:26,567 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-11-03 03:37:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-11-03 03:37:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-11-03 03:37:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-11-03 03:37:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-11-03 03:37:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-11-03 03:37:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-11-03 03:37:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-11-03 03:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-11-03 03:37:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-11-03 03:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 03:37:26,569 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 03:37:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 03:37:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 03:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 03:37:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 03:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-11-03 03:37:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-11-03 03:37:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:37:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:37:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:37:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-11-03 03:37:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-11-03 03:37:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-03 03:37:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-03 03:37:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-11-03 03:37:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-11-03 03:37:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2022-11-03 03:37:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2022-11-03 03:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-11-03 03:37:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-11-03 03:37:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 03:37:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 03:37:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-11-03 03:37:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-11-03 03:37:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-11-03 03:37:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-11-03 03:37:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:37:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:37:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-03 03:37:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-03 03:37:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-03 03:37:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-03 03:37:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-11-03 03:37:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-11-03 03:37:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-11-03 03:37:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-11-03 03:37:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-11-03 03:37:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-11-03 03:37:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-11-03 03:37:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-11-03 03:37:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 03:37:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 03:37:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:37:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:37:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-11-03 03:37:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-11-03 03:37:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-11-03 03:37:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-11-03 03:37:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-11-03 03:37:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-11-03 03:37:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:37:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:37:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:37:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-11-03 03:37:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-11-03 03:37:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-11-03 03:37:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-11-03 03:37:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:37:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:37:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:37:26,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:37:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-11-03 03:37:26,582 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-11-03 03:37:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-11-03 03:37:26,582 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-11-03 03:37:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-11-03 03:37:26,582 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-11-03 03:37:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-03 03:37:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-03 03:37:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:37:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-11-03 03:37:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-11-03 03:37:26,583 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-11-03 03:37:26,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-11-03 03:37:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:37:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:37:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-03 03:37:26,584 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-03 03:37:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:37:26,584 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 03:37:26,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 03:37:26,585 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-11-03 03:37:26,585 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-11-03 03:37:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-11-03 03:37:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-11-03 03:37:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:37:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:37:26,590 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-11-03 03:37:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-11-03 03:37:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:37:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:37:26,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 03:37:26,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 03:37:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:37:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:37:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-03 03:37:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-03 03:37:26,593 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-11-03 03:37:26,593 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-11-03 03:37:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:37:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:37:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-11-03 03:37:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-11-03 03:37:26,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2022-11-03 03:37:26,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2022-11-03 03:37:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-11-03 03:37:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-11-03 03:37:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:37:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:37:26,595 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-11-03 03:37:26,595 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-11-03 03:37:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-11-03 03:37:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-11-03 03:37:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2022-11-03 03:37:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2022-11-03 03:37:26,596 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-11-03 03:37:26,596 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-11-03 03:37:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2022-11-03 03:37:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2022-11-03 03:37:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-11-03 03:37:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-11-03 03:37:26,597 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-11-03 03:37:26,597 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-11-03 03:37:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:37:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:37:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-11-03 03:37:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-11-03 03:37:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:37:26,598 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-03 03:37:26,598 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-03 03:37:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 03:37:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 03:37:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-03 03:37:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-03 03:37:26,599 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-11-03 03:37:26,599 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-11-03 03:37:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:37:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:37:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-03 03:37:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-03 03:37:26,600 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:37:26,600 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:37:27,782 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:37:27,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:37:28,436 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:37:34,969 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:37:37,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:37:37,620 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:37:37,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:37:37 BoogieIcfgContainer [2022-11-03 03:37:37,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:37:37,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:37:37,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:37:37,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:37:37,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:37:22" (1/3) ... [2022-11-03 03:37:37,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07e67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:37:37, skipping insertion in model container [2022-11-03 03:37:37,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:25" (2/3) ... [2022-11-03 03:37:37,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d07e67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:37:37, skipping insertion in model container [2022-11-03 03:37:37,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:37:37" (3/3) ... [2022-11-03 03:37:37,638 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-03 03:37:37,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:37:37,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:37:37,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:37:37,802 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=FINITE_AUTOMATA, 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;@5e3fa114, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:37:37,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:37:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 2200 states, 1423 states have (on average 1.4223471539002108) internal successors, (2024), 1507 states have internal predecessors, (2024), 637 states have call successors, (637), 139 states have call predecessors, (637), 138 states have return successors, (622), 588 states have call predecessors, (622), 622 states have call successors, (622) [2022-11-03 03:37:37,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-03 03:37:37,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:37,849 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:37,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:37,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:37,858 INFO L85 PathProgramCache]: Analyzing trace with hash 923887245, now seen corresponding path program 1 times [2022-11-03 03:37:37,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:37:37,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939548544] [2022-11-03 03:37:37,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:37,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:37:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-11-03 03:37:39,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:37:39,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939548544] [2022-11-03 03:37:39,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939548544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:39,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:37:39,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:37:39,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617356653] [2022-11-03 03:37:39,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:39,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:37:39,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:37:39,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:37:39,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:37:39,352 INFO L87 Difference]: Start difference. First operand has 2200 states, 1423 states have (on average 1.4223471539002108) internal successors, (2024), 1507 states have internal predecessors, (2024), 637 states have call successors, (637), 139 states have call predecessors, (637), 138 states have return successors, (622), 588 states have call predecessors, (622), 622 states have call successors, (622) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:37:41,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:53,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:59,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:59,637 INFO L93 Difference]: Finished difference Result 8679 states and 13645 transitions. [2022-11-03 03:37:59,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:37:59,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 220 [2022-11-03 03:37:59,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:59,720 INFO L225 Difference]: With dead ends: 8679 [2022-11-03 03:37:59,721 INFO L226 Difference]: Without dead ends: 6455 [2022-11-03 03:37:59,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:37:59,760 INFO L413 NwaCegarLoop]: 4300 mSDtfsCounter, 8385 mSDsluCounter, 5419 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 1212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8385 SdHoareTripleChecker+Valid, 9143 SdHoareTripleChecker+Invalid, 3332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1212 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:59,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8385 Valid, 9143 Invalid, 3332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1212 Valid, 2118 Invalid, 2 Unknown, 0 Unchecked, 19.6s Time] [2022-11-03 03:37:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6455 states. [2022-11-03 03:38:00,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6455 to 6445. [2022-11-03 03:38:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6445 states, 4216 states have (on average 1.4127134724857684) internal successors, (5956), 4411 states have internal predecessors, (5956), 1816 states have call successors, (1816), 412 states have call predecessors, (1816), 412 states have return successors, (1963), 1716 states have call predecessors, (1963), 1816 states have call successors, (1963) [2022-11-03 03:38:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6445 states to 6445 states and 9735 transitions. [2022-11-03 03:38:00,271 INFO L78 Accepts]: Start accepts. Automaton has 6445 states and 9735 transitions. Word has length 220 [2022-11-03 03:38:00,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:00,277 INFO L495 AbstractCegarLoop]: Abstraction has 6445 states and 9735 transitions. [2022-11-03 03:38:00,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:38:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 6445 states and 9735 transitions. [2022-11-03 03:38:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-03 03:38:00,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:00,292 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:00,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:38:00,293 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:00,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1532852283, now seen corresponding path program 1 times [2022-11-03 03:38:00,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:38:00,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931176286] [2022-11-03 03:38:00,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:00,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:38:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-11-03 03:38:01,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:38:01,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931176286] [2022-11-03 03:38:01,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931176286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:01,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:01,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:01,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309607095] [2022-11-03 03:38:01,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:01,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:01,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:38:01,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:01,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:01,107 INFO L87 Difference]: Start difference. First operand 6445 states and 9735 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:38:03,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:16,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:22,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:22,357 INFO L93 Difference]: Finished difference Result 25607 states and 39367 transitions. [2022-11-03 03:38:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:38:22,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 221 [2022-11-03 03:38:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:22,525 INFO L225 Difference]: With dead ends: 25607 [2022-11-03 03:38:22,526 INFO L226 Difference]: Without dead ends: 19201 [2022-11-03 03:38:22,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:22,579 INFO L413 NwaCegarLoop]: 4166 mSDtfsCounter, 6318 mSDsluCounter, 8523 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6318 SdHoareTripleChecker+Valid, 11839 SdHoareTripleChecker+Invalid, 2436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:22,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6318 Valid, 11839 Invalid, 2436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 2428 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2022-11-03 03:38:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19201 states. [2022-11-03 03:38:23,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19201 to 19191. [2022-11-03 03:38:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19191 states, 12580 states have (on average 1.4133545310015898) internal successors, (17780), 13137 states have internal predecessors, (17780), 5376 states have call successors, (5376), 1234 states have call predecessors, (5376), 1234 states have return successors, (6514), 5094 states have call predecessors, (6514), 5376 states have call successors, (6514) [2022-11-03 03:38:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19191 states to 19191 states and 29670 transitions. [2022-11-03 03:38:24,052 INFO L78 Accepts]: Start accepts. Automaton has 19191 states and 29670 transitions. Word has length 221 [2022-11-03 03:38:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:24,053 INFO L495 AbstractCegarLoop]: Abstraction has 19191 states and 29670 transitions. [2022-11-03 03:38:24,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:38:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 19191 states and 29670 transitions. [2022-11-03 03:38:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-03 03:38:24,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:24,060 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:24,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:38:24,060 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:24,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:24,066 INFO L85 PathProgramCache]: Analyzing trace with hash -775929467, now seen corresponding path program 1 times [2022-11-03 03:38:24,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:38:24,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128599040] [2022-11-03 03:38:24,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:38:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-11-03 03:38:24,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:38:24,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128599040] [2022-11-03 03:38:24,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128599040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:24,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:24,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:24,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488384892] [2022-11-03 03:38:24,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:24,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:24,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:38:24,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:24,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:24,777 INFO L87 Difference]: Start difference. First operand 19191 states and 29670 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:38:26,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:42,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:42,777 INFO L93 Difference]: Finished difference Result 76627 states and 121805 transitions. [2022-11-03 03:38:42,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:38:42,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 222 [2022-11-03 03:38:42,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:43,194 INFO L225 Difference]: With dead ends: 76627 [2022-11-03 03:38:43,194 INFO L226 Difference]: Without dead ends: 57475 [2022-11-03 03:38:43,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:43,586 INFO L413 NwaCegarLoop]: 4173 mSDtfsCounter, 6347 mSDsluCounter, 8589 mSDsCounter, 0 mSdLazyCounter, 2454 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6347 SdHoareTripleChecker+Valid, 11902 SdHoareTripleChecker+Invalid, 2461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2454 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:43,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6347 Valid, 11902 Invalid, 2461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2454 Invalid, 1 Unknown, 0 Unchecked, 16.2s Time] [2022-11-03 03:38:43,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57475 states. [2022-11-03 03:38:46,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57475 to 57465. [2022-11-03 03:38:47,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57465 states, 37696 states have (on average 1.4132533955857385) internal successors, (53274), 39345 states have internal predecessors, (53274), 16068 states have call successors, (16068), 3700 states have call predecessors, (16068), 3700 states have return successors, (22817), 15240 states have call predecessors, (22817), 16068 states have call successors, (22817) [2022-11-03 03:38:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57465 states to 57465 states and 92159 transitions. [2022-11-03 03:38:47,934 INFO L78 Accepts]: Start accepts. Automaton has 57465 states and 92159 transitions. Word has length 222 [2022-11-03 03:38:47,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:47,935 INFO L495 AbstractCegarLoop]: Abstraction has 57465 states and 92159 transitions. [2022-11-03 03:38:47,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:38:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 57465 states and 92159 transitions. [2022-11-03 03:38:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-03 03:38:47,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:47,939 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:47,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:38:47,939 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:38:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:47,940 INFO L85 PathProgramCache]: Analyzing trace with hash 954418867, now seen corresponding path program 1 times [2022-11-03 03:38:47,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:38:47,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494210403] [2022-11-03 03:38:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:38:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-11-03 03:38:48,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:38:48,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494210403] [2022-11-03 03:38:48,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494210403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:48,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:48,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:48,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202485419] [2022-11-03 03:38:48,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:48,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:48,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:38:48,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:48,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:48,773 INFO L87 Difference]: Start difference. First operand 57465 states and 92159 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:38:50,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:52,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:58,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:00,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:08,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:16,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:16,718 INFO L93 Difference]: Finished difference Result 228807 states and 382270 transitions. [2022-11-03 03:39:16,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:39:16,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 223 [2022-11-03 03:39:16,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:18,659 INFO L225 Difference]: With dead ends: 228807 [2022-11-03 03:39:18,659 INFO L226 Difference]: Without dead ends: 171381 [2022-11-03 03:39:18,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:39:18,940 INFO L413 NwaCegarLoop]: 4170 mSDtfsCounter, 8310 mSDsluCounter, 5307 mSDsCounter, 0 mSdLazyCounter, 2115 mSolverCounterSat, 1191 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8310 SdHoareTripleChecker+Valid, 8906 SdHoareTripleChecker+Invalid, 3308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 2115 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:18,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8310 Valid, 8906 Invalid, 3308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1191 Valid, 2115 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2022-11-03 03:39:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171381 states. [2022-11-03 03:39:27,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171381 to 171317. [2022-11-03 03:39:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171317 states, 112493 states have (on average 1.4130657018658939) internal successors, (158960), 117326 states have internal predecessors, (158960), 47758 states have call successors, (47758), 11066 states have call predecessors, (47758), 11065 states have return successors, (83269), 45347 states have call predecessors, (83269), 47758 states have call successors, (83269) [2022-11-03 03:39:29,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171317 states to 171317 states and 289987 transitions. [2022-11-03 03:39:29,688 INFO L78 Accepts]: Start accepts. Automaton has 171317 states and 289987 transitions. Word has length 223 [2022-11-03 03:39:29,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:29,689 INFO L495 AbstractCegarLoop]: Abstraction has 171317 states and 289987 transitions. [2022-11-03 03:39:29,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:39:29,690 INFO L276 IsEmpty]: Start isEmpty. Operand 171317 states and 289987 transitions. [2022-11-03 03:39:29,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-03 03:39:29,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:29,693 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:29,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:39:29,694 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:29,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:29,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1249342694, now seen corresponding path program 1 times [2022-11-03 03:39:29,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:29,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960270854] [2022-11-03 03:39:29,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:29,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:39:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-11-03 03:39:30,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:39:30,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960270854] [2022-11-03 03:39:30,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960270854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:30,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:30,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:39:30,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016565079] [2022-11-03 03:39:30,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:30,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:39:30,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:39:30,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:39:30,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:39:30,082 INFO L87 Difference]: Start difference. First operand 171317 states and 289987 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-03 03:39:31,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:36,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []