./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/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_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:59:56,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:59:56,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:59:56,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:59:56,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:59:56,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:59:56,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:59:56,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:59:56,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:59:56,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:59:56,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:59:56,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:59:56,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:59:56,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:59:56,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:59:56,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:59:56,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:59:56,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:59:56,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:59:56,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:59:56,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:59:56,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:59:56,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:59:56,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:59:56,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:59:56,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:59:56,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:59:56,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:59:56,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:59:56,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:59:56,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:59:56,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:59:56,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:59:56,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:59:56,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:59:56,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:59:56,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:59:56,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:59:56,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:59:56,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:59:56,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:59:56,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:59:56,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:59:56,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:59:56,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:59:56,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:59:56,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:59:56,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:59:56,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:59:56,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:59:56,612 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:59:56,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:59:56,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:59:56,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:59:56,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:59:56,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:59:56,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:59:56,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:59:56,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:59:56,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:59:56,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:59:56,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:59:56,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:59:56,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:59:56,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:59:56,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:59:56,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:59:56,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:59:56,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:59:56,615 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:59:56,615 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:59:56,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:59:56,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:59:56,615 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_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2021-12-07 00:59:56,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:59:56,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:59:56,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:59:56,812 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:59:56,813 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:59:56,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/../../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 [2021-12-07 00:59:56,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/data/160188da7/da886eba44c040c193e72777bde9033b/FLAG58c8307dd [2021-12-07 00:59:57,500 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:59:57,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/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 [2021-12-07 00:59:57,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/data/160188da7/da886eba44c040c193e72777bde9033b/FLAG58c8307dd [2021-12-07 00:59:57,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/data/160188da7/da886eba44c040c193e72777bde9033b [2021-12-07 00:59:57,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:59:57,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:59:57,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:59:57,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:59:57,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:59:57,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:57" (1/1) ... [2021-12-07 00:59:57,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afc9696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:57, skipping insertion in model container [2021-12-07 00:59:57,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:57" (1/1) ... [2021-12-07 00:59:57,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:59:57,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:59:59,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/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] [2021-12-07 00:59:59,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:59:59,661 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:59:59,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/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] [2021-12-07 00:59:59,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:00:00,066 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:00:00,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00 WrapperNode [2021-12-07 01:00:00,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:00:00,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:00:00,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:00:00,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:00:00,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,305 INFO L137 Inliner]: procedures = 355, calls = 3279, calls flagged for inlining = 153, calls inlined = 153, statements flattened = 6846 [2021-12-07 01:00:00,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:00:00,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:00:00,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:00:00,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:00:00,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:00:00,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:00:00,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:00:00,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:00:00,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (1/1) ... [2021-12-07 01:00:00,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:00:00,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:00:00,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:00:00,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5600825d-e925-4e07-9a6e-ec49286ddfdc/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:00:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2021-12-07 01:00:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2021-12-07 01:00:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:00:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:00:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2021-12-07 01:00:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2021-12-07 01:00:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2021-12-07 01:00:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2021-12-07 01:00:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2021-12-07 01:00:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2021-12-07 01:00:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-07 01:00:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-07 01:00:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:00:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-12-07 01:00:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-12-07 01:00:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:00:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-07 01:00:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-07 01:00:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2021-12-07 01:00:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2021-12-07 01:00:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:00:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:00:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:00:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:00:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2021-12-07 01:00:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2021-12-07 01:00:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2021-12-07 01:00:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2021-12-07 01:00:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-07 01:00:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-07 01:00:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2021-12-07 01:00:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2021-12-07 01:00:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:00:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:00:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2021-12-07 01:00:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2021-12-07 01:00:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2021-12-07 01:00:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2021-12-07 01:00:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2021-12-07 01:00:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2021-12-07 01:00:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2021-12-07 01:00:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2021-12-07 01:00:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2021-12-07 01:00:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2021-12-07 01:00:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2021-12-07 01:00:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2021-12-07 01:00:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2021-12-07 01:00:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2021-12-07 01:00:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2021-12-07 01:00:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2021-12-07 01:00:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2021-12-07 01:00:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2021-12-07 01:00:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2021-12-07 01:00:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2021-12-07 01:00:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-07 01:00:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-07 01:00:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2021-12-07 01:00:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2021-12-07 01:00:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2021-12-07 01:00:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2021-12-07 01:00:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:00:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:00:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:00:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:00:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-07 01:00:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-07 01:00:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2021-12-07 01:00:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2021-12-07 01:00:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2021-12-07 01:00:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2021-12-07 01:00:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:00:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:00:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2021-12-07 01:00:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2021-12-07 01:00:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2021-12-07 01:00:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2021-12-07 01:00:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2021-12-07 01:00:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2021-12-07 01:00:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2021-12-07 01:00:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2021-12-07 01:00:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2021-12-07 01:00:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2021-12-07 01:00:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2021-12-07 01:00:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2021-12-07 01:00:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2021-12-07 01:00:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2021-12-07 01:00:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2021-12-07 01:00:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2021-12-07 01:00:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2021-12-07 01:00:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2021-12-07 01:00:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2021-12-07 01:00:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2021-12-07 01:00:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-07 01:00:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-07 01:00:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:00:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:00:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:00:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2021-12-07 01:00:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2021-12-07 01:00:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:00:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2021-12-07 01:00:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2021-12-07 01:00:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-07 01:00:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-07 01:00:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2021-12-07 01:00:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2021-12-07 01:00:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:00:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:00:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-12-07 01:00:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-12-07 01:00:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:00:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:00:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-07 01:00:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-07 01:00:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-07 01:00:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-07 01:00:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:00:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:00:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-12-07 01:00:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-12-07 01:00:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2021-12-07 01:00:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2021-12-07 01:00:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2021-12-07 01:00:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2021-12-07 01:00:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-07 01:00:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-07 01:00:00,676 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-07 01:00:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2021-12-07 01:00:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2021-12-07 01:00:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-07 01:00:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-07 01:00:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2021-12-07 01:00:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2021-12-07 01:00:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2021-12-07 01:00:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2021-12-07 01:00:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2021-12-07 01:00:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2021-12-07 01:00:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:00:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:00:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2021-12-07 01:00:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2021-12-07 01:00:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2021-12-07 01:00:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2021-12-07 01:00:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2021-12-07 01:00:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2021-12-07 01:00:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2021-12-07 01:00:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2021-12-07 01:00:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:00:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2021-12-07 01:00:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2021-12-07 01:00:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2021-12-07 01:00:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2021-12-07 01:00:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-07 01:00:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-07 01:00:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-07 01:00:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-07 01:00:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:00:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:00:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2021-12-07 01:00:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2021-12-07 01:00:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-07 01:00:00,680 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-07 01:00:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:00:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2021-12-07 01:00:00,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2021-12-07 01:00:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-07 01:00:00,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-07 01:00:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2021-12-07 01:00:00,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2021-12-07 01:00:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:00:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2021-12-07 01:00:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2021-12-07 01:00:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2021-12-07 01:00:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2021-12-07 01:00:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 01:00:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 01:00:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2021-12-07 01:00:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2021-12-07 01:00:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2021-12-07 01:00:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2021-12-07 01:00:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:00:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:00:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2021-12-07 01:00:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2021-12-07 01:00:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-07 01:00:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-07 01:00:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2021-12-07 01:00:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2021-12-07 01:00:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2021-12-07 01:00:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2021-12-07 01:00:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2021-12-07 01:00:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2021-12-07 01:00:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2021-12-07 01:00:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2021-12-07 01:00:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-07 01:00:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-07 01:00:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:00:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:00:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2021-12-07 01:00:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2021-12-07 01:00:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2021-12-07 01:00:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2021-12-07 01:00:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2021-12-07 01:00:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2021-12-07 01:00:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-07 01:00:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-07 01:00:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:00:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2021-12-07 01:00:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2021-12-07 01:00:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2021-12-07 01:00:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2021-12-07 01:00:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:00:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:00:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 01:00:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 01:00:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2021-12-07 01:00:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2021-12-07 01:00:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2021-12-07 01:00:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2021-12-07 01:00:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2021-12-07 01:00:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2021-12-07 01:00:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-07 01:00:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-07 01:00:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:00:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2021-12-07 01:00:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2021-12-07 01:00:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2021-12-07 01:00:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2021-12-07 01:00:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 01:00:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 01:00:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-07 01:00:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-07 01:00:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:00:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-07 01:00:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-07 01:00:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2021-12-07 01:00:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2021-12-07 01:00:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2021-12-07 01:00:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2021-12-07 01:00:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 01:00:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 01:00:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2021-12-07 01:00:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2021-12-07 01:00:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:00:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:00:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-07 01:00:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-07 01:00:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:00:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:00:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-07 01:00:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-07 01:00:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2021-12-07 01:00:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2021-12-07 01:00:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:00:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:00:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-12-07 01:00:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-12-07 01:00:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2021-12-07 01:00:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2021-12-07 01:00:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2021-12-07 01:00:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2021-12-07 01:00:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 01:00:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 01:00:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2021-12-07 01:00:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2021-12-07 01:00:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2021-12-07 01:00:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2021-12-07 01:00:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2021-12-07 01:00:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2021-12-07 01:00:00,689 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2021-12-07 01:00:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2021-12-07 01:00:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2021-12-07 01:00:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2021-12-07 01:00:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2021-12-07 01:00:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2021-12-07 01:00:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2021-12-07 01:00:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2021-12-07 01:00:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:00:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:00:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2021-12-07 01:00:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2021-12-07 01:00:00,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:00:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-07 01:00:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-07 01:00:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-07 01:00:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-07 01:00:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-07 01:00:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-07 01:00:00,691 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2021-12-07 01:00:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2021-12-07 01:00:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:00:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:00:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-07 01:00:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-07 01:00:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:00:00,706 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:00:01,281 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:00:01,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:00:01,784 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:00:05,922 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:00:05,940 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:00:05,940 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:00:05,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:00:05 BoogieIcfgContainer [2021-12-07 01:00:05,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:00:05,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:00:05,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:00:05,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:00:05,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:59:57" (1/3) ... [2021-12-07 01:00:05,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604adb56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:00:05, skipping insertion in model container [2021-12-07 01:00:05,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:00:00" (2/3) ... [2021-12-07 01:00:05,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604adb56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:00:05, skipping insertion in model container [2021-12-07 01:00:05,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:00:05" (3/3) ... [2021-12-07 01:00:05,950 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-07 01:00:05,954 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:00:05,954 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:00:05,999 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:00:06,003 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:00:06,004 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:00:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 1956 states have (on average 1.4161554192229038) internal successors, (2770), 2040 states have internal predecessors, (2770), 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) [2021-12-07 01:00:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-07 01:00:06,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:00:06,070 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:00:06,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:00:06,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:00:06,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1298471814, now seen corresponding path program 1 times [2021-12-07 01:00:06,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:00:06,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631190138] [2021-12-07 01:00:06,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:00:06,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:00:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:00:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:00:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:00:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:00:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:00:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 01:00:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 01:00:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:00:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-07 01:00:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 01:00:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 01:00:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:00:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 01:00:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-07 01:00:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-07 01:00:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:00:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:00:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:00:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-07 01:00:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-12-07 01:00:07,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:00:07,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631190138] [2021-12-07 01:00:07,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631190138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:00:07,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:00:07,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:00:07,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047131976] [2021-12-07 01:00:07,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:00:07,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:00:07,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:00:07,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:00:07,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:00:07,422 INFO L87 Difference]: Start difference. First operand has 2733 states, 1956 states have (on average 1.4161554192229038) internal successors, (2770), 2040 states have internal predecessors, (2770), 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 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) [2021-12-07 01:00:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:00:31,291 INFO L93 Difference]: Finished difference Result 17471 states and 29591 transitions. [2021-12-07 01:00:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:00:31,292 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 [2021-12-07 01:00:31,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:00:31,416 INFO L225 Difference]: With dead ends: 17471 [2021-12-07 01:00:31,416 INFO L226 Difference]: Without dead ends: 14645 [2021-12-07 01:00:31,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:00:31,462 INFO L933 BasicCegarLoop]: 6546 mSDtfsCounter, 20853 mSDsluCounter, 21445 mSDsCounter, 0 mSdLazyCounter, 21160 mSolverCounterSat, 11407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22125 SdHoareTripleChecker+Valid, 27991 SdHoareTripleChecker+Invalid, 32567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11407 IncrementalHoareTripleChecker+Valid, 21160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:00:31,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22125 Valid, 27991 Invalid, 32567 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11407 Valid, 21160 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2021-12-07 01:00:31,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14645 states. [2021-12-07 01:00:32,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14645 to 11965. [2021-12-07 01:00:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11965 states, 8581 states have (on average 1.4083440158489686) internal successors, (12085), 8883 states have internal predecessors, (12085), 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) [2021-12-07 01:00:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11965 states to 11965 states and 18732 transitions. [2021-12-07 01:00:32,199 INFO L78 Accepts]: Start accepts. Automaton has 11965 states and 18732 transitions. Word has length 285 [2021-12-07 01:00:32,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:00:32,201 INFO L470 AbstractCegarLoop]: Abstraction has 11965 states and 18732 transitions. [2021-12-07 01:00:32,201 INFO L471 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) [2021-12-07 01:00:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 11965 states and 18732 transitions. [2021-12-07 01:00:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-12-07 01:00:32,207 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:00:32,207 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:00:32,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:00:32,208 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:00:32,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:00:32,208 INFO L85 PathProgramCache]: Analyzing trace with hash 260072034, now seen corresponding path program 1 times [2021-12-07 01:00:32,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:00:32,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689997750] [2021-12-07 01:00:32,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:00:32,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:00:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:00:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:00:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:00:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:00:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:00:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 01:00:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 01:00:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:00:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-07 01:00:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 01:00:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 01:00:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:00:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 01:00:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-07 01:00:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-07 01:00:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:00:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:00:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:00:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-07 01:00:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-12-07 01:00:32,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:00:32,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689997750] [2021-12-07 01:00:32,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689997750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:00:32,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:00:32,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:00:32,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194749273] [2021-12-07 01:00:32,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:00:32,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:00:32,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:00:32,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:00:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:00:32,974 INFO L87 Difference]: Start difference. First operand 11965 states and 18732 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) [2021-12-07 01:00:55,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:00:55,689 INFO L93 Difference]: Finished difference Result 70305 states and 123758 transitions. [2021-12-07 01:00:55,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:00:55,690 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 [2021-12-07 01:00:55,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:00:56,056 INFO L225 Difference]: With dead ends: 70305 [2021-12-07 01:00:56,056 INFO L226 Difference]: Without dead ends: 58382 [2021-12-07 01:00:56,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:00:56,174 INFO L933 BasicCegarLoop]: 6314 mSDtfsCounter, 20431 mSDsluCounter, 20203 mSDsCounter, 0 mSdLazyCounter, 18460 mSolverCounterSat, 13254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21705 SdHoareTripleChecker+Valid, 26517 SdHoareTripleChecker+Invalid, 31714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13254 IncrementalHoareTripleChecker+Valid, 18460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:00:56,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21705 Valid, 26517 Invalid, 31714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13254 Valid, 18460 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2021-12-07 01:00:56,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58382 states. [2021-12-07 01:00:58,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58382 to 49866. [2021-12-07 01:00:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49866 states, 35699 states have (on average 1.4074904058937225) internal successors, (50246), 36953 states have internal predecessors, (50246), 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) [2021-12-07 01:00:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49866 states to 49866 states and 83459 transitions. [2021-12-07 01:00:58,550 INFO L78 Accepts]: Start accepts. Automaton has 49866 states and 83459 transitions. Word has length 286 [2021-12-07 01:00:58,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:00:58,551 INFO L470 AbstractCegarLoop]: Abstraction has 49866 states and 83459 transitions. [2021-12-07 01:00:58,551 INFO L471 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) [2021-12-07 01:00:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 49866 states and 83459 transitions. [2021-12-07 01:00:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-07 01:00:58,554 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:00:58,555 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:00:58,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:00:58,555 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:00:58,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:00:58,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1577411522, now seen corresponding path program 1 times [2021-12-07 01:00:58,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:00:58,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777632011] [2021-12-07 01:00:58,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:00:58,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:00:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:00:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:00:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:00:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:00:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:00:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 01:00:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 01:00:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:00:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-07 01:00:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 01:00:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 01:00:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:00:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 01:00:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-07 01:00:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:00:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-07 01:00:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:00:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:00:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:00:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-07 01:00:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:00:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:00:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-12-07 01:00:59,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:00:59,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777632011] [2021-12-07 01:00:59,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777632011] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:00:59,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:00:59,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:00:59,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910069871] [2021-12-07 01:00:59,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:00:59,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:00:59,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:00:59,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:00:59,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:00:59,166 INFO L87 Difference]: Start difference. First operand 49866 states and 83459 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) [2021-12-07 01:01:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:01:30,517 INFO L93 Difference]: Finished difference Result 283118 states and 568715 transitions. [2021-12-07 01:01:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:01:30,518 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 [2021-12-07 01:01:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:01:32,384 INFO L225 Difference]: With dead ends: 283118 [2021-12-07 01:01:32,384 INFO L226 Difference]: Without dead ends: 233294 [2021-12-07 01:01:33,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:01:33,279 INFO L933 BasicCegarLoop]: 6194 mSDtfsCounter, 19780 mSDsluCounter, 20620 mSDsCounter, 0 mSdLazyCounter, 20132 mSolverCounterSat, 9623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21051 SdHoareTripleChecker+Valid, 26814 SdHoareTripleChecker+Invalid, 29755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9623 IncrementalHoareTripleChecker+Valid, 20132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:01:33,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21051 Valid, 26814 Invalid, 29755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9623 Valid, 20132 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2021-12-07 01:01:33,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233294 states. [2021-12-07 01:01:42,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233294 to 203200. [2021-12-07 01:01:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203200 states, 145355 states have (on average 1.4065150837604485) internal successors, (204444), 150423 states have internal predecessors, (204444), 46287 states have call successors, (46287), 8816 states have call predecessors, (46287), 11557 states have return successors, (131471), 46051 states have call predecessors, (131471), 46287 states have call successors, (131471) [2021-12-07 01:01:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203200 states to 203200 states and 382202 transitions. [2021-12-07 01:01:45,298 INFO L78 Accepts]: Start accepts. Automaton has 203200 states and 382202 transitions. Word has length 287 [2021-12-07 01:01:45,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:01:45,299 INFO L470 AbstractCegarLoop]: Abstraction has 203200 states and 382202 transitions. [2021-12-07 01:01:45,299 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-12-07 01:01:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 203200 states and 382202 transitions. [2021-12-07 01:01:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-07 01:01:45,305 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:01:45,306 INFO L514 BasicCegarLoop]: 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, 1] [2021-12-07 01:01:45,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:01:45,306 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:01:45,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:01:45,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1878278938, now seen corresponding path program 1 times [2021-12-07 01:01:45,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:01:45,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612555530] [2021-12-07 01:01:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:01:45,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:01:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:01:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:01:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:01:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:01:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:01:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 01:01:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 01:01:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:01:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-07 01:01:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 01:01:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 01:01:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:01:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 01:01:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-07 01:01:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:01:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-07 01:01:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:01:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:01:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-07 01:01:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-07 01:01:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:01:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:01:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-12-07 01:01:45,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:01:45,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612555530] [2021-12-07 01:01:45,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612555530] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:01:45,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:01:45,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:01:45,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757246075] [2021-12-07 01:01:45,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:01:45,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:01:45,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:01:45,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:01:45,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:01:45,855 INFO L87 Difference]: Start difference. First operand 203200 states and 382202 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 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) [2021-12-07 01:03:02,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:03:02,254 INFO L93 Difference]: Finished difference Result 1135189 states and 2908591 transitions. [2021-12-07 01:03:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:03:02,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 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 288 [2021-12-07 01:03:02,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:03:16,922 INFO L225 Difference]: With dead ends: 1135189 [2021-12-07 01:03:16,922 INFO L226 Difference]: Without dead ends: 932031 [2021-12-07 01:03:28,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:03:28,161 INFO L933 BasicCegarLoop]: 6249 mSDtfsCounter, 23826 mSDsluCounter, 16312 mSDsCounter, 0 mSdLazyCounter, 19486 mSolverCounterSat, 13329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25093 SdHoareTripleChecker+Valid, 22561 SdHoareTripleChecker+Invalid, 32815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13329 IncrementalHoareTripleChecker+Valid, 19486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:03:28,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25093 Valid, 22561 Invalid, 32815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13329 Valid, 19486 Invalid, 0 Unknown, 0 Unchecked, 24.3s Time] [2021-12-07 01:03:28,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932031 states. [2021-12-07 01:04:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932031 to 819600. [2021-12-07 01:04:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819600 states, 586186 states have (on average 1.4058012303262104) internal successors, (824061), 606455 states have internal predecessors, (824061), 186591 states have call successors, (186591), 35183 states have call predecessors, (186591), 46822 states have return successors, (905520), 186322 states have call predecessors, (905520), 186591 states have call successors, (905520)