./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.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_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 20:05:03,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:05:03,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:05:03,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:05:03,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:05:03,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:05:03,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:05:03,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:05:03,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:05:03,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:05:03,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:05:03,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:05:03,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:05:03,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:05:03,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:05:03,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:05:03,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:05:03,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:05:03,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:05:03,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:05:03,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:05:04,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:05:04,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:05:04,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:05:04,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:05:04,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:05:04,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:05:04,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:05:04,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:05:04,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:05:04,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:05:04,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:05:04,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:05:04,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:05:04,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:05:04,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:05:04,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:05:04,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:05:04,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:05:04,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:05:04,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:05:04,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:05:04,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:05:04,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:05:04,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:05:04,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:05:04,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:05:04,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:05:04,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:05:04,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:05:04,081 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:05:04,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:05:04,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:05:04,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:05:04,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:05:04,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:05:04,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:05:04,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:05:04,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:05:04,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:05:04,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:05:04,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:05:04,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:05:04,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:04,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:05:04,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:05:04,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:05:04,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:05:04,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:05:04,087 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:05:04,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:05:04,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:05:04,088 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_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-11-18 20:05:04,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:05:04,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:05:04,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:05:04,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:05:04,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:05:04,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 20:05:04,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/data/b43d0f845/2a7ffb850ba44508a813c502a6a00fcc/FLAG22d6e2021 [2022-11-18 20:05:05,487 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:05:05,487 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/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 [2022-11-18 20:05:05,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/data/b43d0f845/2a7ffb850ba44508a813c502a6a00fcc/FLAG22d6e2021 [2022-11-18 20:05:05,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/data/b43d0f845/2a7ffb850ba44508a813c502a6a00fcc [2022-11-18 20:05:05,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:05:05,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:05:05,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:05,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:05:05,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:05:05,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:05" (1/1) ... [2022-11-18 20:05:05,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20657538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:05, skipping insertion in model container [2022-11-18 20:05:05,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:05" (1/1) ... [2022-11-18 20:05:05,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:05:06,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:05:09,046 WARN L234 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_4f091669-93f5-485d-8c08-c3480823bf89/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] [2022-11-18 20:05:09,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:09,148 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:05:09,961 WARN L234 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_4f091669-93f5-485d-8c08-c3480823bf89/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] [2022-11-18 20:05:09,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:10,107 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:05:10,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10 WrapperNode [2022-11-18 20:05:10,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:10,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:10,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:05:10,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:05:10,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:10,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:10,585 INFO L138 Inliner]: procedures = 355, calls = 3439, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6996 [2022-11-18 20:05:10,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:10,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:05:10,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:05:10,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:05:10,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:10,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:10,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:10,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:10,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:11,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:11,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:11,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:11,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:05:11,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:05:11,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:05:11,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:05:11,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (1/1) ... [2022-11-18 20:05:11,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:11,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:05:11,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:05:11,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f091669-93f5-485d-8c08-c3480823bf89/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:05:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-11-18 20:05:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-11-18 20:05:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:05:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:05:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-11-18 20:05:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-11-18 20:05:11,271 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-11-18 20:05:11,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-11-18 20:05:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2022-11-18 20:05:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2022-11-18 20:05:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-18 20:05:11,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-18 20:05:11,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:05:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-11-18 20:05:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-11-18 20:05:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:05:11,273 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-18 20:05:11,273 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-18 20:05:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-11-18 20:05:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-11-18 20:05:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:05:11,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:05:11,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:05:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:05:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-11-18 20:05:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-11-18 20:05:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-11-18 20:05:11,275 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-11-18 20:05:11,275 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:05:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:05:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-11-18 20:05:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-11-18 20:05:11,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:05:11,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:05:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-11-18 20:05:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-11-18 20:05:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-11-18 20:05:11,277 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-11-18 20:05:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-11-18 20:05:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-11-18 20:05:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-11-18 20:05:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-11-18 20:05:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-11-18 20:05:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-11-18 20:05:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-11-18 20:05:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-11-18 20:05:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-11-18 20:05:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-11-18 20:05:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-11-18 20:05:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-11-18 20:05:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-11-18 20:05:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-11-18 20:05:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-11-18 20:05:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-11-18 20:05:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:05:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:05:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-11-18 20:05:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-11-18 20:05:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-11-18 20:05:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-11-18 20:05:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:05:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:05:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:05:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:05:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-18 20:05:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-18 20:05:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-11-18 20:05:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-11-18 20:05:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-11-18 20:05:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-11-18 20:05:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:05:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:05:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-11-18 20:05:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-11-18 20:05:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-11-18 20:05:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-11-18 20:05:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-11-18 20:05:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-11-18 20:05:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-11-18 20:05:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-11-18 20:05:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2022-11-18 20:05:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2022-11-18 20:05:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-11-18 20:05:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-11-18 20:05:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-11-18 20:05:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-11-18 20:05:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-11-18 20:05:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-11-18 20:05:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2022-11-18 20:05:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2022-11-18 20:05:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-11-18 20:05:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-11-18 20:05:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-18 20:05:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-18 20:05:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:05:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:05:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:05:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-11-18 20:05:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-11-18 20:05:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:05:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-11-18 20:05:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-11-18 20:05:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-18 20:05:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-18 20:05:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-11-18 20:05:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-11-18 20:05:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:05:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:05:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-18 20:05:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-18 20:05:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 20:05:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 20:05:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-11-18 20:05:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-11-18 20:05:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-18 20:05:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-18 20:05:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:05:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:05:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-18 20:05:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-18 20:05:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-11-18 20:05:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-11-18 20:05:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-11-18 20:05:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-11-18 20:05:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-18 20:05:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 20:05:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 20:05:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-11-18 20:05:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-11-18 20:05:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:05:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:05:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-11-18 20:05:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-11-18 20:05:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-11-18 20:05:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-11-18 20:05:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-11-18 20:05:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-11-18 20:05:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:05:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:05:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-11-18 20:05:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-11-18 20:05:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-11-18 20:05:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-11-18 20:05:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-11-18 20:05:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-11-18 20:05:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-11-18 20:05:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-11-18 20:05:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:05:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-11-18 20:05:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-11-18 20:05:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-11-18 20:05:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-11-18 20:05:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-18 20:05:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-18 20:05:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-18 20:05:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-18 20:05:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 20:05:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-18 20:05:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-11-18 20:05:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-11-18 20:05:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 20:05:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 20:05:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:05:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-11-18 20:05:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-11-18 20:05:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-18 20:05:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-18 20:05:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-11-18 20:05:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-11-18 20:05:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:05:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2022-11-18 20:05:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2022-11-18 20:05:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-11-18 20:05:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-11-18 20:05:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:05:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:05:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-11-18 20:05:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-11-18 20:05:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-11-18 20:05:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-11-18 20:05:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:05:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:05:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-18 20:05:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-18 20:05:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-18 20:05:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-18 20:05:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-11-18 20:05:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-11-18 20:05:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-11-18 20:05:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-11-18 20:05:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-11-18 20:05:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-11-18 20:05:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-11-18 20:05:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-11-18 20:05:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-18 20:05:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-18 20:05:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:05:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:05:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-11-18 20:05:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-11-18 20:05:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-11-18 20:05:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-11-18 20:05:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-11-18 20:05:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-11-18 20:05:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 20:05:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 20:05:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:05:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-11-18 20:05:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-11-18 20:05:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-11-18 20:05:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-11-18 20:05:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:05:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:05:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 20:05:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 20:05:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-11-18 20:05:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-11-18 20:05:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-11-18 20:05:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-11-18 20:05:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-11-18 20:05:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-11-18 20:05:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-18 20:05:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-18 20:05:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:05:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-11-18 20:05:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-11-18 20:05:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-11-18 20:05:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-11-18 20:05:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 20:05:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 20:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-18 20:05:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-18 20:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:05:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:05:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-11-18 20:05:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-11-18 20:05:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-11-18 20:05:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-11-18 20:05:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:05:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:05:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-11-18 20:05:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-11-18 20:05:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:05:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:05:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 20:05:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 20:05:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:05:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:05:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-18 20:05:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-18 20:05:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-11-18 20:05:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-11-18 20:05:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:05:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:05:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-11-18 20:05:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-11-18 20:05:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2022-11-18 20:05:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2022-11-18 20:05:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-11-18 20:05:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-11-18 20:05:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:05:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:05:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-11-18 20:05:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-11-18 20:05:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-11-18 20:05:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-11-18 20:05:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2022-11-18 20:05:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2022-11-18 20:05:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-11-18 20:05:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-11-18 20:05:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2022-11-18 20:05:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2022-11-18 20:05:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-11-18 20:05:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-11-18 20:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-11-18 20:05:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-11-18 20:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:05:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-11-18 20:05:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-11-18 20:05:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:05:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-18 20:05:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-18 20:05:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-18 20:05:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-18 20:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-18 20:05:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-18 20:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-11-18 20:05:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-11-18 20:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:05:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:05:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-18 20:05:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-18 20:05:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 20:05:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 20:05:12,722 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:05:12,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:05:13,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:05:22,521 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:05:22,570 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:05:22,570 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:05:22,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:22 BoogieIcfgContainer [2022-11-18 20:05:22,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:05:22,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:05:22,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:05:22,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:05:22,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:05:05" (1/3) ... [2022-11-18 20:05:22,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27dcb8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:22, skipping insertion in model container [2022-11-18 20:05:22,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:10" (2/3) ... [2022-11-18 20:05:22,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27dcb8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:22, skipping insertion in model container [2022-11-18 20:05:22,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:22" (3/3) ... [2022-11-18 20:05:22,589 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 [2022-11-18 20:05:22,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:05:22,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:05:22,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:05:22,782 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59f0c95a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:05:22,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:05:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 2727 states, 1950 states have (on average 1.4158974358974359) internal successors, (2761), 2034 states have internal predecessors, (2761), 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) [2022-11-18 20:05:22,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-18 20:05:22,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:22,834 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 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] [2022-11-18 20:05:22,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:05:22,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:22,841 INFO L85 PathProgramCache]: Analyzing trace with hash 770982373, now seen corresponding path program 1 times [2022-11-18 20:05:22,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:22,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678643032] [2022-11-18 20:05:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:22,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:05:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:23,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:05:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:05:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:05:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:05:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:05:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:05:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:05:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:05:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 20:05:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:05:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:05:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:05:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 20:05:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:05:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:05:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:05:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:05:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:05:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2022-11-18 20:05:25,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:25,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678643032] [2022-11-18 20:05:25,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678643032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:25,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:25,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:05:25,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074117325] [2022-11-18 20:05:25,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:25,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:05:25,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:25,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:05:25,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:05:25,236 INFO L87 Difference]: Start difference. First operand has 2727 states, 1950 states have (on average 1.4158974358974359) internal successors, (2761), 2034 states have internal predecessors, (2761), 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 6 states, 6 states have (on average 8.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:05:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:05:45,441 INFO L93 Difference]: Finished difference Result 6437 states and 10305 transitions. [2022-11-18 20:05:45,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:05:45,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 285 [2022-11-18 20:05:45,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:05:45,517 INFO L225 Difference]: With dead ends: 6437 [2022-11-18 20:05:45,518 INFO L226 Difference]: Without dead ends: 3689 [2022-11-18 20:05:45,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:05:45,558 INFO L413 NwaCegarLoop]: 3676 mSDtfsCounter, 3362 mSDsluCounter, 6027 mSDsCounter, 0 mSdLazyCounter, 5437 mSolverCounterSat, 2822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 9703 SdHoareTripleChecker+Invalid, 8259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2822 IncrementalHoareTripleChecker+Valid, 5437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:05:45,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3489 Valid, 9703 Invalid, 8259 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2822 Valid, 5437 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2022-11-18 20:05:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3689 states. [2022-11-18 20:05:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3689 to 2702. [2022-11-18 20:05:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 1943 states have (on average 1.406587750900669) internal successors, (2733), 2010 states have internal predecessors, (2733), 620 states have call successors, (620), 138 states have call predecessors, (620), 138 states have return successors, (620), 586 states have call predecessors, (620), 620 states have call successors, (620) [2022-11-18 20:05:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3973 transitions. [2022-11-18 20:05:45,924 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3973 transitions. Word has length 285 [2022-11-18 20:05:45,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:05:45,926 INFO L495 AbstractCegarLoop]: Abstraction has 2702 states and 3973 transitions. [2022-11-18 20:05:45,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:05:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3973 transitions. [2022-11-18 20:05:45,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-18 20:05:45,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:45,941 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 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] [2022-11-18 20:05:45,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:05:45,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:05:45,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:45,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1929545867, now seen corresponding path program 1 times [2022-11-18 20:05:45,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:45,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278613429] [2022-11-18 20:05:45,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:45,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:05:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:05:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:05:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:46,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:05:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:05:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:05:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:05:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:05:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:05:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 20:05:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:05:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:05:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:05:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 20:05:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:05:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:05:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:05:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:05:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:05:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:05:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:05:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:05:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2022-11-18 20:05:47,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:05:47,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278613429] [2022-11-18 20:05:47,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278613429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:05:47,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:05:47,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:05:47,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267097927] [2022-11-18 20:05:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:05:47,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:05:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:05:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:05:47,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:05:47,826 INFO L87 Difference]: Start difference. First operand 2702 states and 3973 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 20:06:57,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:57,845 INFO L93 Difference]: Finished difference Result 17273 states and 28280 transitions. [2022-11-18 20:06:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:06:57,846 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (24), 6 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 285 [2022-11-18 20:06:57,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:57,998 INFO L225 Difference]: With dead ends: 17273 [2022-11-18 20:06:57,998 INFO L226 Difference]: Without dead ends: 14613 [2022-11-18 20:06:58,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:06:58,041 INFO L413 NwaCegarLoop]: 5781 mSDtfsCounter, 22842 mSDsluCounter, 17858 mSDsCounter, 0 mSdLazyCounter, 25094 mSolverCounterSat, 12137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24097 SdHoareTripleChecker+Valid, 23639 SdHoareTripleChecker+Invalid, 37231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 12137 IncrementalHoareTripleChecker+Valid, 25094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:58,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24097 Valid, 23639 Invalid, 37231 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [12137 Valid, 25094 Invalid, 0 Unknown, 0 Unchecked, 67.7s Time] [2022-11-18 20:06:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14613 states. [2022-11-18 20:06:59,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14613 to 11941. [2022-11-18 20:06:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11941 states, 8557 states have (on average 1.4080869463597054) internal successors, (12049), 8859 states have internal predecessors, (12049), 2724 states have call successors, (2724), 551 states have call predecessors, (2724), 659 states have return successors, (3923), 2661 states have call predecessors, (3923), 2724 states have call successors, (3923) [2022-11-18 20:06:59,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11941 states to 11941 states and 18696 transitions. [2022-11-18 20:06:59,195 INFO L78 Accepts]: Start accepts. Automaton has 11941 states and 18696 transitions. Word has length 285 [2022-11-18 20:06:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:59,200 INFO L495 AbstractCegarLoop]: Abstraction has 11941 states and 18696 transitions. [2022-11-18 20:06:59,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 20:06:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11941 states and 18696 transitions. [2022-11-18 20:06:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-18 20:06:59,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:59,210 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 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] [2022-11-18 20:06:59,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:06:59,211 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:59,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1274817341, now seen corresponding path program 1 times [2022-11-18 20:06:59,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:59,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415941806] [2022-11-18 20:06:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:06:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:06:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:06:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:07:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:07:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:07:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:07:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:07:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:07:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:07:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 20:07:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:07:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:07:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:07:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 20:07:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:07:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:07:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:07:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:07:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:07:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:07:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2022-11-18 20:07:00,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:00,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415941806] [2022-11-18 20:07:00,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415941806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:00,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:00,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:07:00,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514431657] [2022-11-18 20:07:00,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:00,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:07:00,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:00,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:07:00,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:07:00,612 INFO L87 Difference]: Start difference. First operand 11941 states and 18696 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 20:08:11,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:11,748 INFO L93 Difference]: Finished difference Result 70153 states and 123530 transitions. [2022-11-18 20:08:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:08:11,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (24), 6 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 286 [2022-11-18 20:08:11,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:12,598 INFO L225 Difference]: With dead ends: 70153 [2022-11-18 20:08:12,599 INFO L226 Difference]: Without dead ends: 58254 [2022-11-18 20:08:12,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:08:12,841 INFO L413 NwaCegarLoop]: 5907 mSDtfsCounter, 20060 mSDsluCounter, 20110 mSDsCounter, 0 mSdLazyCounter, 27365 mSolverCounterSat, 10401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21312 SdHoareTripleChecker+Valid, 26017 SdHoareTripleChecker+Invalid, 37766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10401 IncrementalHoareTripleChecker+Valid, 27365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:12,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21312 Valid, 26017 Invalid, 37766 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10401 Valid, 27365 Invalid, 0 Unknown, 0 Unchecked, 66.6s Time] [2022-11-18 20:08:12,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58254 states. [2022-11-18 20:08:17,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58254 to 49770. [2022-11-18 20:08:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49770 states, 35603 states have (on average 1.40724096284021) internal successors, (50102), 36857 states have internal predecessors, (50102), 11355 states have call successors, (11355), 2204 states have call predecessors, (11355), 2811 states have return successors, (21858), 11231 states have call predecessors, (21858), 11355 states have call successors, (21858) [2022-11-18 20:08:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49770 states to 49770 states and 83315 transitions. [2022-11-18 20:08:18,455 INFO L78 Accepts]: Start accepts. Automaton has 49770 states and 83315 transitions. Word has length 286 [2022-11-18 20:08:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:18,456 INFO L495 AbstractCegarLoop]: Abstraction has 49770 states and 83315 transitions. [2022-11-18 20:08:18,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 20:08:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 49770 states and 83315 transitions. [2022-11-18 20:08:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-18 20:08:18,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:18,463 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 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] [2022-11-18 20:08:18,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:08:18,464 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1537690429, now seen corresponding path program 1 times [2022-11-18 20:08:18,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:18,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534764788] [2022-11-18 20:08:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:18,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:08:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:08:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:08:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:08:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:08:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:08:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 20:08:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:08:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:08:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-18 20:08:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:08:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:08:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:08:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 20:08:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:08:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:08:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:08:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-18 20:08:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-18 20:08:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:08:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:08:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2022-11-18 20:08:20,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:20,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534764788] [2022-11-18 20:08:20,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534764788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:20,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:20,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:08:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654997520] [2022-11-18 20:08:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:08:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:20,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:08:20,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:08:20,095 INFO L87 Difference]: Start difference. First operand 49770 states and 83315 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-18 20:09:37,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:09:37,616 INFO L93 Difference]: Finished difference Result 282510 states and 567803 transitions. [2022-11-18 20:09:37,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:09:37,617 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (24), 6 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 287 [2022-11-18 20:09:37,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:09:40,780 INFO L225 Difference]: With dead ends: 282510 [2022-11-18 20:09:40,780 INFO L226 Difference]: Without dead ends: 232782 [2022-11-18 20:09:42,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:09:42,693 INFO L413 NwaCegarLoop]: 5640 mSDtfsCounter, 17373 mSDsluCounter, 23004 mSDsCounter, 0 mSdLazyCounter, 28613 mSolverCounterSat, 8699 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18652 SdHoareTripleChecker+Valid, 28644 SdHoareTripleChecker+Invalid, 37312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8699 IncrementalHoareTripleChecker+Valid, 28613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:09:42,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18652 Valid, 28644 Invalid, 37312 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8699 Valid, 28613 Invalid, 0 Unknown, 0 Unchecked, 59.9s Time] [2022-11-18 20:09:42,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232782 states.