./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/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_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:31:16,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:16,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:16,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:16,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:16,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:16,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:16,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:16,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:16,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:16,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:16,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:16,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:16,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:16,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:16,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:16,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:16,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:16,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:16,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:16,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:16,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:16,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:16,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:16,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:16,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:16,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:16,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:16,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:16,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:16,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:16,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:16,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:16,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:16,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:16,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:16,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:16,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:16,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:16,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:16,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:16,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:31:16,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:16,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:16,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:16,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:16,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:16,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:16,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:16,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:16,271 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:16,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:16,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:31:16,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:16,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:16,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:16,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:16,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:16,273 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:16,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:16,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:16,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:16,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:16,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:16,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:16,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:16,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:16,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:31:16,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:31:16,277 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:16,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:16,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:16,278 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_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-11-20 10:31:16,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:16,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:16,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:16,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:16,549 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:16,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 10:31:19,676 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:20,284 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:20,284 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 10:31:20,333 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data/e226cd23d/106cd042f38f4ed6b44e31003eac536e/FLAG638fe17b9 [2022-11-20 10:31:20,352 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data/e226cd23d/106cd042f38f4ed6b44e31003eac536e [2022-11-20 10:31:20,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:20,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:20,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:20,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:20,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:20,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:20" (1/1) ... [2022-11-20 10:31:20,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2167a738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:20, skipping insertion in model container [2022-11-20 10:31:20,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:20" (1/1) ... [2022-11-20 10:31:20,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:20,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:22,291 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:31:22,302 INFO L158 Benchmark]: Toolchain (without parser) took 1936.46ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 82.6MB in the beginning and 95.5MB in the end (delta: -12.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-20 10:31:22,302 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:31:22,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1933.37ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 82.3MB in the beginning and 95.5MB in the end (delta: -13.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-20 10:31:22,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1933.37ms. Allocated memory was 134.2MB in the beginning and 176.2MB in the end (delta: 41.9MB). Free memory was 82.3MB in the beginning and 95.5MB in the end (delta: -13.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/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_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:31:24,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:24,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:24,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:24,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:24,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:24,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:24,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:24,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:24,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:24,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:24,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:24,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:24,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:24,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:24,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:24,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:24,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:24,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:24,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:24,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:24,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:24,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:24,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:24,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:24,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:24,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:24,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:24,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:24,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:24,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:24,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:24,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:24,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:24,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:24,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:24,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:24,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:24,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:24,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:24,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:24,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:31:24,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:24,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:24,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:24,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:24,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:24,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:24,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:24,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:24,830 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:24,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:24,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:24,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:24,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:24,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:24,832 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:31:24,832 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:31:24,832 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:31:24,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:24,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:24,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:24,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:24,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:24,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:24,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:24,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:24,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:24,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:24,835 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:31:24,835 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:31:24,835 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:24,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:24,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:24,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:31:24,836 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2022-11-20 10:31:25,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:25,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:25,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:25,235 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:25,236 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:25,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 10:31:28,416 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:29,006 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:29,007 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 10:31:29,077 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data/86b51bd72/95e2de14aaca4d189e40683be62d07c2/FLAG41a0655ad [2022-11-20 10:31:29,104 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/data/86b51bd72/95e2de14aaca4d189e40683be62d07c2 [2022-11-20 10:31:29,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:29,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:29,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:29,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:29,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:29,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:29" (1/1) ... [2022-11-20 10:31:29,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c36bb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:29, skipping insertion in model container [2022-11-20 10:31:29,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:29" (1/1) ... [2022-11-20 10:31:29,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:29,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:31,665 WARN L237 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_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-11-20 10:31:31,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:31,760 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:31:31,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:32,262 WARN L237 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_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-11-20 10:31:32,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:32,303 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:31:32,903 WARN L237 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_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2022-11-20 10:31:32,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:33,069 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:31:33,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33 WrapperNode [2022-11-20 10:31:33,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:33,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:33,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:31:33,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:31:33,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,454 INFO L138 Inliner]: procedures = 366, calls = 3437, calls flagged for inlining = 158, calls inlined = 158, statements flattened = 7143 [2022-11-20 10:31:33,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:33,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:31:33,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:31:33,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:31:33,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:31:33,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:31:33,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:31:33,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:31:33,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (1/1) ... [2022-11-20 10:31:33,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:34,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:34,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:31:34,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:31:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2022-11-20 10:31:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2022-11-20 10:31:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 10:31:34,072 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 10:31:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-11-20 10:31:34,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_UCHAR [2022-11-20 10:31:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-11-20 10:31:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-11-20 10:31:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2022-11-20 10:31:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2022-11-20 10:31:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:31:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2022-11-20 10:31:34,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2022-11-20 10:31:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:31:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-20 10:31:34,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-20 10:31:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:31:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:31:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2022-11-20 10:31:34,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2022-11-20 10:31:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:31:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-20 10:31:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-20 10:31:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2022-11-20 10:31:34,077 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2022-11-20 10:31:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:31:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:31:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:31:34,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:31:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2022-11-20 10:31:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2022-11-20 10:31:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2022-11-20 10:31:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2022-11-20 10:31:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 10:31:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 10:31:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2022-11-20 10:31:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2022-11-20 10:31:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:31:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:31:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2022-11-20 10:31:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2022-11-20 10:31:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2022-11-20 10:31:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2022-11-20 10:31:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2022-11-20 10:31:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2022-11-20 10:31:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2022-11-20 10:31:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2022-11-20 10:31:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2022-11-20 10:31:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2022-11-20 10:31:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2022-11-20 10:31:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2022-11-20 10:31:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2022-11-20 10:31:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2022-11-20 10:31:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2022-11-20 10:31:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2022-11-20 10:31:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2022-11-20 10:31:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2022-11-20 10:31:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2022-11-20 10:31:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2022-11-20 10:31:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 10:31:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 10:31:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2022-11-20 10:31:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2022-11-20 10:31:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2022-11-20 10:31:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2022-11-20 10:31:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 10:31:34,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 10:31:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:31:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:31:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-20 10:31:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-20 10:31:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2022-11-20 10:31:34,088 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2022-11-20 10:31:34,088 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2022-11-20 10:31:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2022-11-20 10:31:34,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:31:34,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:31:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2022-11-20 10:31:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2022-11-20 10:31:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2022-11-20 10:31:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2022-11-20 10:31:34,090 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2022-11-20 10:31:34,090 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2022-11-20 10:31:34,091 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2022-11-20 10:31:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2022-11-20 10:31:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2022-11-20 10:31:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2022-11-20 10:31:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2022-11-20 10:31:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2022-11-20 10:31:34,092 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2022-11-20 10:31:34,092 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2022-11-20 10:31:34,093 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2022-11-20 10:31:34,093 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2022-11-20 10:31:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-20 10:31:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-20 10:31:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:31:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:31:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:31:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2022-11-20 10:31:34,095 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2022-11-20 10:31:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:31:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2022-11-20 10:31:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2022-11-20 10:31:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2022-11-20 10:31:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2022-11-20 10:31:34,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:31:34,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:31:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-11-20 10:31:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-11-20 10:31:34,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:31:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:31:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-11-20 10:31:34,101 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-11-20 10:31:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:31:34,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:31:34,103 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-11-20 10:31:34,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~TO~C_INT [2022-11-20 10:31:34,105 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-20 10:31:34,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-20 10:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:31:34,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:31:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-20 10:31:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-20 10:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:31:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2022-11-20 10:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2022-11-20 10:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2022-11-20 10:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2022-11-20 10:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-20 10:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 10:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 10:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2022-11-20 10:31:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2022-11-20 10:31:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 10:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 10:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2022-11-20 10:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2022-11-20 10:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2022-11-20 10:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2022-11-20 10:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2022-11-20 10:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2022-11-20 10:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:31:34,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:31:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2022-11-20 10:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2022-11-20 10:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2022-11-20 10:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2022-11-20 10:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2022-11-20 10:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2022-11-20 10:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2022-11-20 10:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2022-11-20 10:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2022-11-20 10:31:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2022-11-20 10:31:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2022-11-20 10:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2022-11-20 10:31:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-20 10:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-20 10:31:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 10:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 10:31:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2022-11-20 10:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2022-11-20 10:31:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 10:31:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 10:31:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2022-11-20 10:31:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2022-11-20 10:31:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-20 10:31:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-20 10:31:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2022-11-20 10:31:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2022-11-20 10:31:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2022-11-20 10:31:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2022-11-20 10:31:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 10:31:34,119 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 10:31:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2022-11-20 10:31:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2022-11-20 10:31:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2022-11-20 10:31:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2022-11-20 10:31:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:31:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:31:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:31:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:31:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-20 10:31:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-20 10:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-20 10:31:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-20 10:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2022-11-20 10:31:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2022-11-20 10:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2022-11-20 10:31:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2022-11-20 10:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2022-11-20 10:31:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2022-11-20 10:31:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2022-11-20 10:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2022-11-20 10:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 10:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 10:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2022-11-20 10:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2022-11-20 10:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2022-11-20 10:31:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2022-11-20 10:31:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2022-11-20 10:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2022-11-20 10:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 10:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 10:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2022-11-20 10:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2022-11-20 10:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2022-11-20 10:31:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2022-11-20 10:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:31:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:31:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 10:31:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 10:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2022-11-20 10:31:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2022-11-20 10:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2022-11-20 10:31:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2022-11-20 10:31:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2022-11-20 10:31:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2022-11-20 10:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-20 10:31:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-20 10:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2022-11-20 10:31:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2022-11-20 10:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2022-11-20 10:31:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2022-11-20 10:31:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 10:31:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 10:31:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-20 10:31:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-20 10:31:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-11-20 10:31:34,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_LONG~TO~C_INT [2022-11-20 10:31:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:31:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 10:31:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 10:31:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2022-11-20 10:31:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2022-11-20 10:31:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2022-11-20 10:31:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2022-11-20 10:31:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:31:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:31:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2022-11-20 10:31:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2022-11-20 10:31:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-20 10:31:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-20 10:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:31:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-20 10:31:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-20 10:31:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2022-11-20 10:31:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2022-11-20 10:31:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-11-20 10:31:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-11-20 10:31:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2022-11-20 10:31:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2022-11-20 10:31:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2022-11-20 10:31:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2022-11-20 10:31:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:31:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:31:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2022-11-20 10:31:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2022-11-20 10:31:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2022-11-20 10:31:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2022-11-20 10:31:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2022-11-20 10:31:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2022-11-20 10:31:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2022-11-20 10:31:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2022-11-20 10:31:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2022-11-20 10:31:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2022-11-20 10:31:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:31:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:31:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-11-20 10:31:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UCHAR~TO~VOID [2022-11-20 10:31:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2022-11-20 10:31:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2022-11-20 10:31:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:31:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-20 10:31:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-20 10:31:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 10:31:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 10:31:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-11-20 10:31:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-11-20 10:31:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2022-11-20 10:31:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2022-11-20 10:31:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:31:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:31:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 10:31:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 10:31:35,345 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:31:35,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:44,452 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:32:51,414 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:32:51,446 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:32:51,446 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:32:51,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:51 BoogieIcfgContainer [2022-11-20 10:32:51,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:32:51,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:32:51,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:32:51,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:32:51,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:31:29" (1/3) ... [2022-11-20 10:32:51,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3868f42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:51, skipping insertion in model container [2022-11-20 10:32:51,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:33" (2/3) ... [2022-11-20 10:32:51,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3868f42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:32:51, skipping insertion in model container [2022-11-20 10:32:51,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:32:51" (3/3) ... [2022-11-20 10:32:51,466 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 10:32:51,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:32:51,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:32:51,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:32:51,613 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79c20526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:32:51,613 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:32:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 2700 states, 1934 states have (on average 1.4167528438469492) internal successors, (2740), 2017 states have internal predecessors, (2740), 630 states have call successors, (630), 135 states have call predecessors, (630), 134 states have return successors, (615), 582 states have call predecessors, (615), 615 states have call successors, (615) [2022-11-20 10:32:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-20 10:32:51,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:51,649 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:51,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:51,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:51,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2043586039, now seen corresponding path program 1 times [2022-11-20 10:32:51,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:51,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695950698] [2022-11-20 10:32:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:51,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:51,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:51,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:51,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:32:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:54,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 2852 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 10:32:54,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 588 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-11-20 10:32:54,797 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:54,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:54,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695950698] [2022-11-20 10:32:54,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695950698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:54,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:54,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:54,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477929639] [2022-11-20 10:32:54,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:54,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:32:54,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:54,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:32:54,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:32:54,861 INFO L87 Difference]: Start difference. First operand has 2700 states, 1934 states have (on average 1.4167528438469492) internal successors, (2740), 2017 states have internal predecessors, (2740), 630 states have call successors, (630), 135 states have call predecessors, (630), 134 states have return successors, (615), 582 states have call predecessors, (615), 615 states have call successors, (615) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 10:32:55,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:55,122 INFO L93 Difference]: Finished difference Result 5396 states and 8157 transitions. [2022-11-20 10:32:55,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:32:55,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 285 [2022-11-20 10:32:55,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:55,175 INFO L225 Difference]: With dead ends: 5396 [2022-11-20 10:32:55,176 INFO L226 Difference]: Without dead ends: 2675 [2022-11-20 10:32:55,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:32:55,212 INFO L413 NwaCegarLoop]: 3981 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:55,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3981 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:32:55,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2022-11-20 10:32:55,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2675. [2022-11-20 10:32:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2675 states, 1927 states have (on average 1.4073689673066943) internal successors, (2712), 1993 states have internal predecessors, (2712), 613 states have call successors, (613), 134 states have call predecessors, (613), 134 states have return successors, (613), 580 states have call predecessors, (613), 613 states have call successors, (613) [2022-11-20 10:32:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 3938 transitions. [2022-11-20 10:32:55,531 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 3938 transitions. Word has length 285 [2022-11-20 10:32:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:55,533 INFO L495 AbstractCegarLoop]: Abstraction has 2675 states and 3938 transitions. [2022-11-20 10:32:55,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-20 10:32:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3938 transitions. [2022-11-20 10:32:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-20 10:32:55,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:55,541 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:55,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:55,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:55,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:55,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:55,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1092817763, now seen corresponding path program 1 times [2022-11-20 10:32:55,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:55,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374540833] [2022-11-20 10:32:55,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:55,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:55,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:55,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:55,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:32:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:59,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 2852 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:32:59,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-11-20 10:32:59,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:59,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:59,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374540833] [2022-11-20 10:32:59,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374540833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:59,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:59,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:32:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345178250] [2022-11-20 10:32:59,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:59,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:32:59,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:59,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:32:59,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:59,790 INFO L87 Difference]: Start difference. First operand 2675 states and 3938 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:33:00,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:00,739 INFO L93 Difference]: Finished difference Result 5324 states and 7934 transitions. [2022-11-20 10:33:00,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:33:00,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 285 [2022-11-20 10:33:00,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:00,764 INFO L225 Difference]: With dead ends: 5324 [2022-11-20 10:33:00,764 INFO L226 Difference]: Without dead ends: 2676 [2022-11-20 10:33:00,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:33:00,780 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 6 mSDsluCounter, 15645 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19566 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:00,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19566 Invalid, 134 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:33:00,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2022-11-20 10:33:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2676. [2022-11-20 10:33:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 1928 states have (on average 1.4071576763485478) internal successors, (2713), 1994 states have internal predecessors, (2713), 613 states have call successors, (613), 134 states have call predecessors, (613), 134 states have return successors, (613), 580 states have call predecessors, (613), 613 states have call successors, (613) [2022-11-20 10:33:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3939 transitions. [2022-11-20 10:33:00,983 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3939 transitions. Word has length 285 [2022-11-20 10:33:00,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:00,984 INFO L495 AbstractCegarLoop]: Abstraction has 2676 states and 3939 transitions. [2022-11-20 10:33:00,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-20 10:33:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3939 transitions. [2022-11-20 10:33:00,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-20 10:33:00,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:00,991 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:01,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:01,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:01,211 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:01,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:01,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2051621899, now seen corresponding path program 1 times [2022-11-20 10:33:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:01,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303389741] [2022-11-20 10:33:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:01,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:01,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:01,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:01,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:33:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:05,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2907 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:33:05,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2022-11-20 10:33:05,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:33:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-11-20 10:33:06,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:06,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303389741] [2022-11-20 10:33:06,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303389741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:33:06,346 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:33:06,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-20 10:33:06,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576525108] [2022-11-20 10:33:06,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:33:06,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:33:06,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:06,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:33:06,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:33:06,351 INFO L87 Difference]: Start difference. First operand 2676 states and 3939 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:33:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:07,773 INFO L93 Difference]: Finished difference Result 5331 states and 7942 transitions. [2022-11-20 10:33:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:33:07,774 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 290 [2022-11-20 10:33:07,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:07,796 INFO L225 Difference]: With dead ends: 5331 [2022-11-20 10:33:07,796 INFO L226 Difference]: Without dead ends: 2682 [2022-11-20 10:33:07,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:33:07,813 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 10 mSDsluCounter, 19549 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 23471 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:07,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 23471 Invalid, 193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:33:07,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2022-11-20 10:33:07,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2682. [2022-11-20 10:33:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 1932 states have (on average 1.4063146997929608) internal successors, (2717), 1998 states have internal predecessors, (2717), 614 states have call successors, (614), 135 states have call predecessors, (614), 135 states have return successors, (614), 581 states have call predecessors, (614), 614 states have call successors, (614) [2022-11-20 10:33:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 3945 transitions. [2022-11-20 10:33:07,929 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 3945 transitions. Word has length 290 [2022-11-20 10:33:07,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:07,931 INFO L495 AbstractCegarLoop]: Abstraction has 2682 states and 3945 transitions. [2022-11-20 10:33:07,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:33:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3945 transitions. [2022-11-20 10:33:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-20 10:33:07,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:07,940 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:08,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:08,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:08,161 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:08,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:08,162 INFO L85 PathProgramCache]: Analyzing trace with hash -131979363, now seen corresponding path program 2 times [2022-11-20 10:33:08,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:08,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82925436] [2022-11-20 10:33:08,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:33:08,164 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:08,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:08,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:08,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:33:10,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:33:10,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:33:10,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:10,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1277 trivial. 0 not checked. [2022-11-20 10:33:10,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:10,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:10,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82925436] [2022-11-20 10:33:10,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82925436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:10,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:10,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368655093] [2022-11-20 10:33:10,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:10,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:10,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:10,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:10,765 INFO L87 Difference]: Start difference. First operand 2682 states and 3945 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:33:11,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:11,498 INFO L93 Difference]: Finished difference Result 7956 states and 11992 transitions. [2022-11-20 10:33:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:11,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 295 [2022-11-20 10:33:11,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:11,537 INFO L225 Difference]: With dead ends: 7956 [2022-11-20 10:33:11,537 INFO L226 Difference]: Without dead ends: 5316 [2022-11-20 10:33:11,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:11,555 INFO L413 NwaCegarLoop]: 4811 mSDtfsCounter, 3983 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3983 SdHoareTripleChecker+Valid, 8755 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:11,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3983 Valid, 8755 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:33:11,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5316 states. [2022-11-20 10:33:11,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5316 to 5314. [2022-11-20 10:33:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5314 states, 3836 states have (on average 1.407716371220021) internal successors, (5400), 3966 states have internal predecessors, (5400), 1208 states have call successors, (1208), 270 states have call predecessors, (1208), 269 states have return successors, (1351), 1141 states have call predecessors, (1351), 1208 states have call successors, (1351) [2022-11-20 10:33:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7959 transitions. [2022-11-20 10:33:11,842 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7959 transitions. Word has length 295 [2022-11-20 10:33:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:11,846 INFO L495 AbstractCegarLoop]: Abstraction has 5314 states and 7959 transitions. [2022-11-20 10:33:11,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:33:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7959 transitions. [2022-11-20 10:33:11,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-20 10:33:11,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:11,853 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:11,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:12,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:12,075 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:12,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:12,075 INFO L85 PathProgramCache]: Analyzing trace with hash 637846349, now seen corresponding path program 1 times [2022-11-20 10:33:12,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:12,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306102701] [2022-11-20 10:33:12,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:12,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:12,079 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:12,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:33:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:15,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 2964 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 10:33:15,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2022-11-20 10:33:15,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:33:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2022-11-20 10:33:17,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:17,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306102701] [2022-11-20 10:33:17,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306102701] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:33:17,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:33:17,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-20 10:33:17,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659191906] [2022-11-20 10:33:17,080 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:33:17,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 10:33:17,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:17,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 10:33:17,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:33:17,082 INFO L87 Difference]: Start difference. First operand 5314 states and 7959 transitions. Second operand has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:33:18,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:18,602 INFO L93 Difference]: Finished difference Result 10614 states and 16214 transitions. [2022-11-20 10:33:18,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:33:18,603 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 296 [2022-11-20 10:33:18,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:18,648 INFO L225 Difference]: With dead ends: 10614 [2022-11-20 10:33:18,648 INFO L226 Difference]: Without dead ends: 5316 [2022-11-20 10:33:18,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:33:18,688 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 15 mSDsluCounter, 19564 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23486 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:18,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23486 Invalid, 199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:33:18,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5316 states. [2022-11-20 10:33:18,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5316 to 5316. [2022-11-20 10:33:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5316 states, 3838 states have (on average 1.4075039082855654) internal successors, (5402), 3968 states have internal predecessors, (5402), 1208 states have call successors, (1208), 270 states have call predecessors, (1208), 269 states have return successors, (1351), 1141 states have call predecessors, (1351), 1208 states have call successors, (1351) [2022-11-20 10:33:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5316 states to 5316 states and 7961 transitions. [2022-11-20 10:33:18,997 INFO L78 Accepts]: Start accepts. Automaton has 5316 states and 7961 transitions. Word has length 296 [2022-11-20 10:33:18,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:18,998 INFO L495 AbstractCegarLoop]: Abstraction has 5316 states and 7961 transitions. [2022-11-20 10:33:18,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:33:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5316 states and 7961 transitions. [2022-11-20 10:33:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-20 10:33:19,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:19,006 INFO L195 NwaCegarLoop]: trace histogram [15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:19,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:19,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:19,227 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:19,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:19,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1953702923, now seen corresponding path program 2 times [2022-11-20 10:33:19,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:19,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355917607] [2022-11-20 10:33:19,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:33:19,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:19,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:19,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:19,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:33:21,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:33:21,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:33:21,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 2123 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:21,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1362 trivial. 0 not checked. [2022-11-20 10:33:21,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:21,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:21,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355917607] [2022-11-20 10:33:21,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [355917607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:21,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:21,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:21,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675112523] [2022-11-20 10:33:21,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:21,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:21,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:21,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:21,864 INFO L87 Difference]: Start difference. First operand 5316 states and 7961 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:33:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:22,618 INFO L93 Difference]: Finished difference Result 15860 states and 24844 transitions. [2022-11-20 10:33:22,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:22,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 301 [2022-11-20 10:33:22,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:22,722 INFO L225 Difference]: With dead ends: 15860 [2022-11-20 10:33:22,722 INFO L226 Difference]: Without dead ends: 10586 [2022-11-20 10:33:22,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:22,767 INFO L413 NwaCegarLoop]: 4639 mSDtfsCounter, 3987 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3987 SdHoareTripleChecker+Valid, 8583 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:22,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3987 Valid, 8583 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:33:22,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10586 states. [2022-11-20 10:33:23,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10586 to 10584. [2022-11-20 10:33:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10584 states, 7650 states have (on average 1.4079738562091504) internal successors, (10771), 7908 states have internal predecessors, (10771), 2395 states have call successors, (2395), 540 states have call predecessors, (2395), 538 states have return successors, (3229), 2263 states have call predecessors, (3229), 2395 states have call successors, (3229) [2022-11-20 10:33:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10584 states to 10584 states and 16395 transitions. [2022-11-20 10:33:23,560 INFO L78 Accepts]: Start accepts. Automaton has 10584 states and 16395 transitions. Word has length 301 [2022-11-20 10:33:23,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:23,561 INFO L495 AbstractCegarLoop]: Abstraction has 10584 states and 16395 transitions. [2022-11-20 10:33:23,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:33:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 10584 states and 16395 transitions. [2022-11-20 10:33:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-20 10:33:23,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:23,566 INFO L195 NwaCegarLoop]: trace histogram [15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:23,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:23,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:23,785 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:23,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:23,786 INFO L85 PathProgramCache]: Analyzing trace with hash 287129389, now seen corresponding path program 1 times [2022-11-20 10:33:23,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:23,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833890486] [2022-11-20 10:33:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:23,789 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:23,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:23,791 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:23,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:33:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:27,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:33:27,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-20 10:33:27,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:33:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 1268 trivial. 0 not checked. [2022-11-20 10:33:29,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:29,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833890486] [2022-11-20 10:33:29,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833890486] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:33:29,613 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:33:29,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-11-20 10:33:29,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208491140] [2022-11-20 10:33:29,614 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:33:29,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 10:33:29,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:29,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 10:33:29,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:33:29,616 INFO L87 Difference]: Start difference. First operand 10584 states and 16395 transitions. Second operand has 15 states, 13 states have (on average 6.0) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:33:32,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:32,071 INFO L93 Difference]: Finished difference Result 21172 states and 33948 transitions. [2022-11-20 10:33:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 10:33:32,072 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 6.0) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 302 [2022-11-20 10:33:32,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:32,139 INFO L225 Difference]: With dead ends: 21172 [2022-11-20 10:33:32,139 INFO L226 Difference]: Without dead ends: 10588 [2022-11-20 10:33:32,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2022-11-20 10:33:32,308 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 10 mSDsluCounter, 43057 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 46979 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:32,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 46979 Invalid, 353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [28 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 10:33:32,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10588 states. [2022-11-20 10:33:32,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10588 to 10588. [2022-11-20 10:33:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10588 states, 7654 states have (on average 1.4077606480271754) internal successors, (10775), 7912 states have internal predecessors, (10775), 2395 states have call successors, (2395), 540 states have call predecessors, (2395), 538 states have return successors, (3229), 2263 states have call predecessors, (3229), 2395 states have call successors, (3229) [2022-11-20 10:33:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10588 states to 10588 states and 16399 transitions. [2022-11-20 10:33:32,998 INFO L78 Accepts]: Start accepts. Automaton has 10588 states and 16399 transitions. Word has length 302 [2022-11-20 10:33:32,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:32,999 INFO L495 AbstractCegarLoop]: Abstraction has 10588 states and 16399 transitions. [2022-11-20 10:33:32,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 6.0) internal successors, (78), 15 states have internal predecessors, (78), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-11-20 10:33:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 10588 states and 16399 transitions. [2022-11-20 10:33:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-20 10:33:33,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:33,005 INFO L195 NwaCegarLoop]: trace histogram [20, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:33,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:33,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:33,219 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:33,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2021409323, now seen corresponding path program 2 times [2022-11-20 10:33:33,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:33,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808156116] [2022-11-20 10:33:33,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:33:33,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:33,225 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:33,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:33:35,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:33:35,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:33:35,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 2125 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:35,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2022-11-20 10:33:36,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:36,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:36,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808156116] [2022-11-20 10:33:36,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808156116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:36,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:36,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:36,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432365268] [2022-11-20 10:33:36,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:36,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:36,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:36,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:36,013 INFO L87 Difference]: Start difference. First operand 10588 states and 16399 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:33:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:37,577 INFO L93 Difference]: Finished difference Result 31675 states and 53308 transitions. [2022-11-20 10:33:37,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:37,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 307 [2022-11-20 10:33:37,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:37,729 INFO L225 Difference]: With dead ends: 31675 [2022-11-20 10:33:37,729 INFO L226 Difference]: Without dead ends: 21129 [2022-11-20 10:33:37,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:37,849 INFO L413 NwaCegarLoop]: 4596 mSDtfsCounter, 3988 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3988 SdHoareTripleChecker+Valid, 8540 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:37,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3988 Valid, 8540 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:33:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21129 states. [2022-11-20 10:33:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21129 to 21127. [2022-11-20 10:33:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21127 states, 15283 states have (on average 1.407773342930053) internal successors, (21515), 15795 states have internal predecessors, (21515), 4767 states have call successors, (4767), 1080 states have call predecessors, (4767), 1076 states have return successors, (8561), 4507 states have call predecessors, (8561), 4767 states have call successors, (8561) [2022-11-20 10:33:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21127 states to 21127 states and 34843 transitions. [2022-11-20 10:33:39,519 INFO L78 Accepts]: Start accepts. Automaton has 21127 states and 34843 transitions. Word has length 307 [2022-11-20 10:33:39,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:39,520 INFO L495 AbstractCegarLoop]: Abstraction has 21127 states and 34843 transitions. [2022-11-20 10:33:39,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:33:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 21127 states and 34843 transitions. [2022-11-20 10:33:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-20 10:33:39,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:39,528 INFO L195 NwaCegarLoop]: trace histogram [20, 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] [2022-11-20 10:33:39,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:39,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:39,743 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:39,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:39,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1523630459, now seen corresponding path program 1 times [2022-11-20 10:33:39,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:39,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325461696] [2022-11-20 10:33:39,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:39,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:39,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:39,749 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:39,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:33:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:44,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 10:33:44,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 225 proven. 10 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-11-20 10:33:44,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:33:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 93 proven. 41 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-11-20 10:33:46,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:46,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325461696] [2022-11-20 10:33:46,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325461696] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:33:46,881 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:33:46,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-11-20 10:33:46,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301087197] [2022-11-20 10:33:46,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:33:46,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 10:33:46,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:46,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 10:33:46,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-11-20 10:33:46,884 INFO L87 Difference]: Start difference. First operand 21127 states and 34843 transitions. Second operand has 17 states, 15 states have (on average 5.4) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 10:33:49,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:49,490 INFO L93 Difference]: Finished difference Result 42318 states and 74164 transitions. [2022-11-20 10:33:49,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 10:33:49,491 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.4) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 308 [2022-11-20 10:33:49,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:49,648 INFO L225 Difference]: With dead ends: 42318 [2022-11-20 10:33:49,649 INFO L226 Difference]: Without dead ends: 21199 [2022-11-20 10:33:50,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-20 10:33:50,061 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 28 mSDsluCounter, 27398 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 31319 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:50,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 31319 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:33:50,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21199 states. [2022-11-20 10:33:51,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21199 to 21199. [2022-11-20 10:33:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21199 states, 15347 states have (on average 1.40659412262983) internal successors, (21587), 15859 states have internal predecessors, (21587), 4767 states have call successors, (4767), 1088 states have call predecessors, (4767), 1084 states have return successors, (8561), 4507 states have call predecessors, (8561), 4767 states have call successors, (8561) [2022-11-20 10:33:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21199 states to 21199 states and 34915 transitions. [2022-11-20 10:33:51,595 INFO L78 Accepts]: Start accepts. Automaton has 21199 states and 34915 transitions. Word has length 308 [2022-11-20 10:33:51,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:51,596 INFO L495 AbstractCegarLoop]: Abstraction has 21199 states and 34915 transitions. [2022-11-20 10:33:51,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.4) internal successors, (81), 17 states have internal predecessors, (81), 4 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 10:33:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 21199 states and 34915 transitions. [2022-11-20 10:33:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-11-20 10:33:51,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:51,600 INFO L195 NwaCegarLoop]: trace histogram [21, 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] [2022-11-20 10:33:51,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-11-20 10:33:51,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:51,801 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:51,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:51,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1727058951, now seen corresponding path program 2 times [2022-11-20 10:33:51,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:51,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869857744] [2022-11-20 10:33:51,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:33:51,805 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:51,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:51,806 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:51,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 10:33:54,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:33:54,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:33:54,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:54,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2022-11-20 10:33:54,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:54,687 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:54,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869857744] [2022-11-20 10:33:54,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869857744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:54,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:54,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:54,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177175196] [2022-11-20 10:33:54,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:54,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:54,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:54,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:54,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:54,689 INFO L87 Difference]: Start difference. First operand 21199 states and 34915 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:33:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:57,222 INFO L93 Difference]: Finished difference Result 63501 states and 121277 transitions. [2022-11-20 10:33:57,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:57,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 309 [2022-11-20 10:33:57,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:57,732 INFO L225 Difference]: With dead ends: 63501 [2022-11-20 10:33:57,732 INFO L226 Difference]: Without dead ends: 42344 [2022-11-20 10:33:58,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:58,107 INFO L413 NwaCegarLoop]: 4596 mSDtfsCounter, 3989 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3989 SdHoareTripleChecker+Valid, 8540 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:58,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3989 Valid, 8540 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:33:58,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42344 states. [2022-11-20 10:34:00,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42344 to 42342. [2022-11-20 10:34:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42342 states, 30668 states have (on average 1.406384505021521) internal successors, (43131), 31684 states have internal predecessors, (43131), 9505 states have call successors, (9505), 2175 states have call predecessors, (9505), 2168 states have return successors, (25424), 8994 states have call predecessors, (25424), 9505 states have call successors, (25424) [2022-11-20 10:34:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42342 states to 42342 states and 78060 transitions. [2022-11-20 10:34:01,543 INFO L78 Accepts]: Start accepts. Automaton has 42342 states and 78060 transitions. Word has length 309 [2022-11-20 10:34:01,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:01,545 INFO L495 AbstractCegarLoop]: Abstraction has 42342 states and 78060 transitions. [2022-11-20 10:34:01,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:34:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 42342 states and 78060 transitions. [2022-11-20 10:34:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-11-20 10:34:01,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:01,548 INFO L195 NwaCegarLoop]: trace histogram [21, 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, 1, 1, 1, 1] [2022-11-20 10:34:01,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:34:01,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:01,755 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:01,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash -727369925, now seen corresponding path program 1 times [2022-11-20 10:34:01,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:01,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973187226] [2022-11-20 10:34:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:01,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:01,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:01,761 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:34:01,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 10:34:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:06,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 3165 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 10:34:06,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 245 proven. 15 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2022-11-20 10:34:06,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:34:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1497 backedges. 108 proven. 51 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2022-11-20 10:34:08,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:08,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973187226] [2022-11-20 10:34:08,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973187226] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:34:08,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:34:08,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-11-20 10:34:08,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316974252] [2022-11-20 10:34:08,977 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:34:08,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 10:34:08,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:08,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 10:34:08,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:34:08,979 INFO L87 Difference]: Start difference. First operand 42342 states and 78060 transitions. Second operand has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 19 states have internal predecessors, (86), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 10:34:14,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:14,025 INFO L93 Difference]: Finished difference Result 84742 states and 173121 transitions. [2022-11-20 10:34:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 10:34:14,026 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 19 states have internal predecessors, (86), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 313 [2022-11-20 10:34:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:14,496 INFO L225 Difference]: With dead ends: 84742 [2022-11-20 10:34:14,496 INFO L226 Difference]: Without dead ends: 42358 [2022-11-20 10:34:15,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-11-20 10:34:15,294 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 31 mSDsluCounter, 46961 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 50882 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:15,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 50882 Invalid, 407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 10:34:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42358 states. [2022-11-20 10:34:17,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42358 to 42358. [2022-11-20 10:34:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42358 states, 30684 states have (on average 1.406172598096728) internal successors, (43147), 31700 states have internal predecessors, (43147), 9505 states have call successors, (9505), 2175 states have call predecessors, (9505), 2168 states have return successors, (25424), 8994 states have call predecessors, (25424), 9505 states have call successors, (25424) [2022-11-20 10:34:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42358 states to 42358 states and 78076 transitions. [2022-11-20 10:34:18,587 INFO L78 Accepts]: Start accepts. Automaton has 42358 states and 78076 transitions. Word has length 313 [2022-11-20 10:34:18,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:18,589 INFO L495 AbstractCegarLoop]: Abstraction has 42358 states and 78076 transitions. [2022-11-20 10:34:18,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 19 states have internal predecessors, (86), 4 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-20 10:34:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 42358 states and 78076 transitions. [2022-11-20 10:34:18,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-20 10:34:18,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:18,613 INFO L195 NwaCegarLoop]: trace histogram [22, 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, 1, 1, 1, 1] [2022-11-20 10:34:18,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-20 10:34:18,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:18,835 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:18,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:18,835 INFO L85 PathProgramCache]: Analyzing trace with hash 594461433, now seen corresponding path program 2 times [2022-11-20 10:34:18,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:18,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118463510] [2022-11-20 10:34:18,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:34:18,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:18,839 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:34:18,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaef8d87-3bc4-4a42-9ff0-d9523d081c2f/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 10:34:21,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:34:21,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:34:21,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:34:21,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1523 trivial. 0 not checked. [2022-11-20 10:34:23,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:23,169 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:23,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118463510] [2022-11-20 10:34:23,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118463510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:23,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:23,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:34:23,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587826320] [2022-11-20 10:34:23,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:23,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:34:23,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:23,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:34:23,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:34:23,171 INFO L87 Difference]: Start difference. First operand 42358 states and 78076 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 10:34:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:29,716 INFO L93 Difference]: Finished difference Result 127086 states and 300282 transitions. [2022-11-20 10:34:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:34:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 314 [2022-11-20 10:34:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:30,438 INFO L225 Difference]: With dead ends: 127086 [2022-11-20 10:34:30,438 INFO L226 Difference]: Without dead ends: 84770 [2022-11-20 10:34:32,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:34:32,038 INFO L413 NwaCegarLoop]: 4878 mSDtfsCounter, 3910 mSDsluCounter, 13685 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 18563 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:32,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 18563 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:34:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84770 states.