./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e6c477e3f3753c58922818522be04156e728e59c50f004b5ce835b763e4b3e35 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:53:02,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:53:02,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:53:02,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:53:02,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:53:02,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:53:02,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:53:02,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:53:02,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:53:02,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:53:02,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:53:02,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:53:02,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:53:02,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:53:02,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:53:02,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:53:02,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:53:02,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:53:02,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:53:02,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:53:02,167 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:53:02,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:53:02,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:53:02,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:53:02,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:53:02,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:53:02,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:53:02,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:53:02,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:53:02,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:53:02,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:53:02,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:53:02,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:53:02,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:53:02,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:53:02,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:53:02,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:53:02,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:53:02,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:53:02,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:53:02,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:53:02,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:53:02,184 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:53:02,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:53:02,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:53:02,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:53:02,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:53:02,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:53:02,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:53:02,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:53:02,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:53:02,202 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:53:02,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:53:02,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:53:02,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:53:02,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:53:02,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:53:02,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:53:02,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:53:02,203 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:53:02,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:53:02,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:53:02,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:53:02,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:53:02,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:53:02,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:53:02,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:53:02,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:53:02,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:53:02,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:53:02,205 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:53:02,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:53:02,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:53:02,205 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c477e3f3753c58922818522be04156e728e59c50f004b5ce835b763e4b3e35 [2022-07-14 00:53:02,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:53:02,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:53:02,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:53:02,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:53:02,432 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:53:02,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2022-07-14 00:53:02,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fb1d43b/0ac3b35e4cc54d6dacd42215bfa1a8a8/FLAGaf7306f90 [2022-07-14 00:53:03,414 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:53:03,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2022-07-14 00:53:03,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fb1d43b/0ac3b35e4cc54d6dacd42215bfa1a8a8/FLAGaf7306f90 [2022-07-14 00:53:03,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1fb1d43b/0ac3b35e4cc54d6dacd42215bfa1a8a8 [2022-07-14 00:53:03,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:53:03,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:53:03,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:53:03,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:53:03,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:53:03,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:03" (1/1) ... [2022-07-14 00:53:03,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ba5df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:03, skipping insertion in model container [2022-07-14 00:53:03,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:03" (1/1) ... [2022-07-14 00:53:03,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:53:04,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:53:05,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i[208384,208397] [2022-07-14 00:53:05,374 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-14 00:53:05,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:05,421 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:53:05,515 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: mgmt_1 = (unsigned int )mgmt_1 & 248U [4711] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) 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:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) 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) [2022-07-14 00:53:05,521 INFO L158 Benchmark]: Toolchain (without parser) took 1545.39ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 72.8MB in the beginning and 76.7MB in the end (delta: -3.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-07-14 00:53:05,522 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:53:05,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1541.23ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 72.6MB in the beginning and 76.7MB in the end (delta: -4.1MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-07-14 00:53:05,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1541.23ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 72.6MB in the beginning and 76.7MB in the end (delta: -4.1MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mgmt_1 = (unsigned int )mgmt_1 & 248U [4711] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mgmt_1 = (unsigned int )mgmt_1 & 248U [4711]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 e6c477e3f3753c58922818522be04156e728e59c50f004b5ce835b763e4b3e35 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:53:07,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:53:07,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:53:07,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:53:07,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:53:07,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:53:07,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:53:07,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:53:07,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:53:07,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:53:07,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:53:07,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:53:07,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:53:07,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:53:07,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:53:07,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:53:07,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:53:07,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:53:07,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:53:07,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:53:07,625 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:53:07,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:53:07,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:53:07,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:53:07,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:53:07,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:53:07,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:53:07,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:53:07,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:53:07,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:53:07,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:53:07,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:53:07,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:53:07,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:53:07,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:53:07,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:53:07,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:53:07,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:53:07,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:53:07,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:53:07,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:53:07,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:53:07,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:53:07,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:53:07,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:53:07,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:53:07,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:53:07,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:53:07,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:53:07,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:53:07,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:53:07,704 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:53:07,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:53:07,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:53:07,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:53:07,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:53:07,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:53:07,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:53:07,713 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:53:07,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:53:07,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:53:07,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:53:07,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:53:07,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:53:07,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:53:07,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:53:07,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:53:07,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:53:07,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:53:07,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:53:07,715 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:53:07,715 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:53:07,715 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:53:07,719 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:53:07,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:53:07,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:53:07,719 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c477e3f3753c58922818522be04156e728e59c50f004b5ce835b763e4b3e35 [2022-07-14 00:53:08,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:53:08,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:53:08,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:53:08,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:53:08,112 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:53:08,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2022-07-14 00:53:08,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97efc559f/99be1429ce214d93a2aa3c07f6565359/FLAG55e4e2560 [2022-07-14 00:53:08,750 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:53:08,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2022-07-14 00:53:08,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97efc559f/99be1429ce214d93a2aa3c07f6565359/FLAG55e4e2560 [2022-07-14 00:53:08,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97efc559f/99be1429ce214d93a2aa3c07f6565359 [2022-07-14 00:53:08,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:53:08,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:53:08,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:53:08,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:53:08,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:53:08,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:08" (1/1) ... [2022-07-14 00:53:08,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369fbb2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:08, skipping insertion in model container [2022-07-14 00:53:08,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:53:08" (1/1) ... [2022-07-14 00:53:08,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:53:09,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:53:10,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i[208384,208397] [2022-07-14 00:53:10,202 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-14 00:53:10,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:10,255 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:53:10,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:53:10,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i[208384,208397] [2022-07-14 00:53:10,504 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-14 00:53:10,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:10,546 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:53:10,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i[208384,208397] [2022-07-14 00:53:10,746 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-14 00:53:10,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:53:10,835 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:53:10,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10 WrapperNode [2022-07-14 00:53:10,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:53:10,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:53:10,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:53:10,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:53:10,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:10,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,022 INFO L137 Inliner]: procedures = 227, calls = 1352, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3540 [2022-07-14 00:53:11,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:53:11,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:53:11,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:53:11,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:53:11,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:53:11,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:53:11,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:53:11,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:53:11,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (1/1) ... [2022-07-14 00:53:11,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:53:11,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:53:11,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 00:53:11,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 00:53:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:53:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 00:53:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 00:53:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:53:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:53:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:53:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:53:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_sensor_show [2022-07-14 00:53:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_sensor_show [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:53:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2022-07-14 00:53:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2022-07-14 00:53:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:53:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:53:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:53:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:53:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_suspend [2022-07-14 00:53:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_suspend [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:53:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_notify_done [2022-07-14 00:53:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_notify_done [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 00:53:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 00:53:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_irq_handler [2022-07-14 00:53:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_irq_handler [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:53:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_cleanup [2022-07-14 00:53:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_cleanup [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure inv_attr_show [2022-07-14 00:53:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_attr_show [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:53:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-14 00:53:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_remove_trigger [2022-07-14 00:53:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_remove_trigger [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 00:53:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:53:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_read_fifo [2022-07-14 00:53:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_read_fifo [2022-07-14 00:53:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_set_power_itg [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_set_power_itg [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_resume [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_resume [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_switch_engine [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_switch_engine [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure to_acpi_node [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure to_acpi_node [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:53:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:53:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure iio_priv [2022-07-14 00:53:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_priv [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_unregister [2022-07-14 00:53:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_unregister [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-14 00:53:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 00:53:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 00:53:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 00:53:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:53:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-14 00:53:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_validate_trigger [2022-07-14 00:53:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_validate_trigger [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_mux_adapter [2022-07-14 00:53:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_mux_adapter [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_i2c_block_data [2022-07-14 00:53:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_i2c_block_data [2022-07-14 00:53:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_iio_dev [2022-07-14 00:53:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_iio_dev [2022-07-14 00:53:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure inv_reset_fifo [2022-07-14 00:53:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_reset_fifo [2022-07-14 00:53:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 00:53:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 00:53:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:53:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:53:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:53:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_write_reg [2022-07-14 00:53:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_write_reg [2022-07-14 00:53:11,965 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:53:11,967 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:53:12,084 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:54:11,748 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:54:11,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:54:11,778 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:54:11,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:11 BoogieIcfgContainer [2022-07-14 00:54:11,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:54:11,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:54:11,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:54:11,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:54:11,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:53:08" (1/3) ... [2022-07-14 00:54:11,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b318408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:54:11, skipping insertion in model container [2022-07-14 00:54:11,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:53:10" (2/3) ... [2022-07-14 00:54:11,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b318408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:54:11, skipping insertion in model container [2022-07-14 00:54:11,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:54:11" (3/3) ... [2022-07-14 00:54:11,807 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2022-07-14 00:54:11,817 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:54:11,830 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:54:11,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:54:11,949 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7cd81047, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@694b59c1 [2022-07-14 00:54:11,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:54:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 1037 states, 786 states have (on average 1.4287531806615776) internal successors, (1123), 801 states have internal predecessors, (1123), 205 states have call successors, (205), 45 states have call predecessors, (205), 44 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2022-07-14 00:54:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-14 00:54:11,984 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:11,985 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 00:54:11,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:11,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:11,989 INFO L85 PathProgramCache]: Analyzing trace with hash 175591800, now seen corresponding path program 1 times [2022-07-14 00:54:12,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:54:12,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703619488] [2022-07-14 00:54:12,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:12,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:54:12,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:54:12,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:54:12,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:54:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:14,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 00:54:14,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:54:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2022-07-14 00:54:14,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:54:14,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:54:14,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703619488] [2022-07-14 00:54:14,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703619488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:14,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:14,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 00:54:14,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434186186] [2022-07-14 00:54:14,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:14,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 00:54:14,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:54:14,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 00:54:14,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 00:54:14,598 INFO L87 Difference]: Start difference. First operand has 1037 states, 786 states have (on average 1.4287531806615776) internal successors, (1123), 801 states have internal predecessors, (1123), 205 states have call successors, (205), 45 states have call predecessors, (205), 44 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 00:54:14,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:14,706 INFO L93 Difference]: Finished difference Result 2069 states and 3070 transitions. [2022-07-14 00:54:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 00:54:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 317 [2022-07-14 00:54:14,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:14,728 INFO L225 Difference]: With dead ends: 2069 [2022-07-14 00:54:14,728 INFO L226 Difference]: Without dead ends: 1020 [2022-07-14 00:54:14,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 00:54:14,743 INFO L413 NwaCegarLoop]: 1519 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, 1519 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 [2022-07-14 00:54:14,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:54:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2022-07-14 00:54:14,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2022-07-14 00:54:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 781 states have (on average 1.4148527528809218) internal successors, (1105), 784 states have internal predecessors, (1105), 195 states have call successors, (195), 44 states have call predecessors, (195), 43 states have return successors, (194), 194 states have call predecessors, (194), 194 states have call successors, (194) [2022-07-14 00:54:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1494 transitions. [2022-07-14 00:54:14,824 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1494 transitions. Word has length 317 [2022-07-14 00:54:14,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:14,824 INFO L495 AbstractCegarLoop]: Abstraction has 1020 states and 1494 transitions. [2022-07-14 00:54:14,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 00:54:14,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1494 transitions. [2022-07-14 00:54:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-14 00:54:14,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:14,830 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 00:54:14,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 00:54:15,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:54:15,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:15,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:15,056 INFO L85 PathProgramCache]: Analyzing trace with hash -464706278, now seen corresponding path program 1 times [2022-07-14 00:54:15,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:54:15,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491954237] [2022-07-14 00:54:15,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:15,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:54:15,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:54:15,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:54:15,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:54:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:17,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 00:54:17,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:54:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2022-07-14 00:54:18,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:54:18,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:54:18,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491954237] [2022-07-14 00:54:18,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491954237] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:18,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:18,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:54:18,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813897853] [2022-07-14 00:54:18,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:18,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:54:18,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:54:18,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:54:18,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:54:18,132 INFO L87 Difference]: Start difference. First operand 1020 states and 1494 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 00:54:19,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:19,617 INFO L93 Difference]: Finished difference Result 2012 states and 2951 transitions. [2022-07-14 00:54:19,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:54:19,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 317 [2022-07-14 00:54:19,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:19,625 INFO L225 Difference]: With dead ends: 2012 [2022-07-14 00:54:19,625 INFO L226 Difference]: Without dead ends: 1021 [2022-07-14 00:54:19,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:54:19,629 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 6 mSDsluCounter, 5918 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 7403 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:54:19,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 7403 Invalid, 68 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 00:54:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2022-07-14 00:54:19,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2022-07-14 00:54:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 782 states have (on average 1.4143222506393862) internal successors, (1106), 785 states have internal predecessors, (1106), 195 states have call successors, (195), 44 states have call predecessors, (195), 43 states have return successors, (194), 194 states have call predecessors, (194), 194 states have call successors, (194) [2022-07-14 00:54:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1495 transitions. [2022-07-14 00:54:19,687 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1495 transitions. Word has length 317 [2022-07-14 00:54:19,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:19,690 INFO L495 AbstractCegarLoop]: Abstraction has 1021 states and 1495 transitions. [2022-07-14 00:54:19,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 00:54:19,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1495 transitions. [2022-07-14 00:54:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-07-14 00:54:19,700 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:19,700 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1] [2022-07-14 00:54:19,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:54:19,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:54:19,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:19,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:19,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1919425372, now seen corresponding path program 1 times [2022-07-14 00:54:19,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:54:19,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13055229] [2022-07-14 00:54:19,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:19,919 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:54:19,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:54:19,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:54:19,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:54:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:22,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 00:54:22,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:54:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2022-07-14 00:54:23,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:54:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1595 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-07-14 00:54:26,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:54:26,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13055229] [2022-07-14 00:54:26,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13055229] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:54:26,401 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:54:26,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 00:54:26,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931641318] [2022-07-14 00:54:26,402 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:54:26,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:54:26,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:54:26,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:54:26,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:54:26,403 INFO L87 Difference]: Start difference. First operand 1021 states and 1495 transitions. Second operand has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-14 00:54:29,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:29,464 INFO L93 Difference]: Finished difference Result 2024 states and 2967 transitions. [2022-07-14 00:54:29,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 00:54:29,465 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 322 [2022-07-14 00:54:29,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:29,474 INFO L225 Difference]: With dead ends: 2024 [2022-07-14 00:54:29,474 INFO L226 Difference]: Without dead ends: 1037 [2022-07-14 00:54:29,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 633 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-14 00:54:29,481 INFO L413 NwaCegarLoop]: 1488 mSDtfsCounter, 12 mSDsluCounter, 7398 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 8886 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:54:29,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 8886 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 00:54:29,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2022-07-14 00:54:29,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2022-07-14 00:54:29,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 793 states have (on average 1.4098360655737705) internal successors, (1118), 796 states have internal predecessors, (1118), 197 states have call successors, (197), 47 states have call predecessors, (197), 46 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2022-07-14 00:54:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1511 transitions. [2022-07-14 00:54:29,517 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1511 transitions. Word has length 322 [2022-07-14 00:54:29,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:29,518 INFO L495 AbstractCegarLoop]: Abstraction has 1037 states and 1511 transitions. [2022-07-14 00:54:29,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.555555555555555) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-14 00:54:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1511 transitions. [2022-07-14 00:54:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-14 00:54:29,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:29,525 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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, 1, 1, 1, 1, 1] [2022-07-14 00:54:29,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-14 00:54:29,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:54:29,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:29,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1749695910, now seen corresponding path program 2 times [2022-07-14 00:54:29,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:54:29,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546783947] [2022-07-14 00:54:29,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:54:29,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:54:29,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:54:29,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:54:29,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 00:54:31,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:54:31,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:54:32,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 2020 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:54:32,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:54:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1655 trivial. 0 not checked. [2022-07-14 00:54:32,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:54:32,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:54:32,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546783947] [2022-07-14 00:54:32,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546783947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:54:32,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:54:32,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:54:32,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779683832] [2022-07-14 00:54:32,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:54:32,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:54:32,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:54:32,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:54:32,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:54:32,774 INFO L87 Difference]: Start difference. First operand 1037 states and 1511 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-14 00:54:34,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:54:35,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:35,726 INFO L93 Difference]: Finished difference Result 2979 states and 4355 transitions. [2022-07-14 00:54:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:54:35,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 327 [2022-07-14 00:54:35,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:35,736 INFO L225 Difference]: With dead ends: 2979 [2022-07-14 00:54:35,736 INFO L226 Difference]: Without dead ends: 1995 [2022-07-14 00:54:35,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:54:35,741 INFO L413 NwaCegarLoop]: 1678 mSDtfsCounter, 1386 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 00:54:35,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 3158 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 00:54:35,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2022-07-14 00:54:35,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1995. [2022-07-14 00:54:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1995 states, 1539 states have (on average 1.4197530864197532) internal successors, (2185), 1545 states have internal predecessors, (2185), 365 states have call successors, (365), 91 states have call predecessors, (365), 90 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2022-07-14 00:54:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1995 states and 2914 transitions. [2022-07-14 00:54:35,856 INFO L78 Accepts]: Start accepts. Automaton has 1995 states and 2914 transitions. Word has length 327 [2022-07-14 00:54:35,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:35,859 INFO L495 AbstractCegarLoop]: Abstraction has 1995 states and 2914 transitions. [2022-07-14 00:54:35,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-14 00:54:35,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2914 transitions. [2022-07-14 00:54:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-14 00:54:35,862 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:35,862 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:54:35,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 00:54:36,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:54:36,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:36,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1048183032, now seen corresponding path program 1 times [2022-07-14 00:54:36,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:54:36,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176539264] [2022-07-14 00:54:36,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:54:36,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:54:36,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:54:36,094 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:54:36,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 00:54:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:54:38,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 2949 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 00:54:38,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:54:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2022-07-14 00:54:40,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:54:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2022-07-14 00:54:45,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:54:45,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176539264] [2022-07-14 00:54:45,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [176539264] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:54:45,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:54:45,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 00:54:45,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683334587] [2022-07-14 00:54:45,283 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:54:45,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 00:54:45,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:54:45,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 00:54:45,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 00:54:45,287 INFO L87 Difference]: Start difference. First operand 1995 states and 2914 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-14 00:54:50,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:54:50,991 INFO L93 Difference]: Finished difference Result 3968 states and 5797 transitions. [2022-07-14 00:54:50,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 00:54:50,992 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 330 [2022-07-14 00:54:50,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:54:51,001 INFO L225 Difference]: With dead ends: 3968 [2022-07-14 00:54:51,001 INFO L226 Difference]: Without dead ends: 1997 [2022-07-14 00:54:51,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-14 00:54:51,008 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 20 mSDsluCounter, 10365 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11854 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:54:51,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11854 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-14 00:54:51,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2022-07-14 00:54:51,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1997. [2022-07-14 00:54:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1997 states, 1541 states have (on average 1.419208306294614) internal successors, (2187), 1547 states have internal predecessors, (2187), 365 states have call successors, (365), 91 states have call predecessors, (365), 90 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2022-07-14 00:54:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2916 transitions. [2022-07-14 00:54:51,066 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2916 transitions. Word has length 330 [2022-07-14 00:54:51,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:54:51,066 INFO L495 AbstractCegarLoop]: Abstraction has 1997 states and 2916 transitions. [2022-07-14 00:54:51,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 13 states have internal predecessors, (82), 4 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-14 00:54:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2916 transitions. [2022-07-14 00:54:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-14 00:54:51,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:54:51,070 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 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, 1, 1] [2022-07-14 00:54:51,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 00:54:51,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:54:51,284 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:54:51,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:54:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash -472066826, now seen corresponding path program 2 times [2022-07-14 00:54:51,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:54:51,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764877343] [2022-07-14 00:54:51,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:54:51,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:54:51,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:54:51,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:54:51,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 00:54:53,505 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:54:53,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:54:53,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:54:53,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:55:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2022-07-14 00:55:06,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:55:06,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:55:06,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764877343] [2022-07-14 00:55:06,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764877343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:55:06,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:55:06,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 00:55:06,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300202176] [2022-07-14 00:55:06,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:55:06,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:55:06,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:55:06,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:55:06,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:55:06,880 INFO L87 Difference]: Start difference. First operand 1997 states and 2916 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-14 00:55:07,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:07,066 INFO L93 Difference]: Finished difference Result 3941 states and 5761 transitions. [2022-07-14 00:55:07,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:55:07,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 335 [2022-07-14 00:55:07,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:07,097 INFO L225 Difference]: With dead ends: 3941 [2022-07-14 00:55:07,097 INFO L226 Difference]: Without dead ends: 3934 [2022-07-14 00:55:07,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:55:07,100 INFO L413 NwaCegarLoop]: 1680 mSDtfsCounter, 1386 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 3110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:07,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 3110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:55:07,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2022-07-14 00:55:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3934. [2022-07-14 00:55:07,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3934 states, 3048 states have (on average 1.4229002624671916) internal successors, (4337), 3060 states have internal predecessors, (4337), 707 states have call successors, (707), 179 states have call predecessors, (707), 178 states have return successors, (708), 706 states have call predecessors, (708), 706 states have call successors, (708) [2022-07-14 00:55:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 5752 transitions. [2022-07-14 00:55:07,234 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 5752 transitions. Word has length 335 [2022-07-14 00:55:07,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:07,235 INFO L495 AbstractCegarLoop]: Abstraction has 3934 states and 5752 transitions. [2022-07-14 00:55:07,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-14 00:55:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 5752 transitions. [2022-07-14 00:55:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-07-14 00:55:07,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:07,244 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:55:07,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 00:55:07,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:55:07,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:07,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:07,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1777899120, now seen corresponding path program 1 times [2022-07-14 00:55:07,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:55:07,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289800496] [2022-07-14 00:55:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:55:07,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:55:07,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:55:07,473 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:55:07,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 00:55:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:55:10,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 3782 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 00:55:10,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:55:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 96 proven. 6 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2022-07-14 00:55:12,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:55:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1765 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 1671 trivial. 0 not checked. [2022-07-14 00:55:19,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:55:19,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289800496] [2022-07-14 00:55:19,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289800496] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:55:19,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:55:19,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 00:55:19,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328080493] [2022-07-14 00:55:19,019 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:55:19,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 00:55:19,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:55:19,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 00:55:19,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 00:55:19,020 INFO L87 Difference]: Start difference. First operand 3934 states and 5752 transitions. Second operand has 15 states, 13 states have (on average 14.0) internal successors, (182), 15 states have internal predecessors, (182), 4 states have call successors, (55), 2 states have call predecessors, (55), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-14 00:55:24,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:55:24,505 INFO L93 Difference]: Finished difference Result 7852 states and 11481 transitions. [2022-07-14 00:55:24,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-14 00:55:24,507 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 14.0) internal successors, (182), 15 states have internal predecessors, (182), 4 states have call successors, (55), 2 states have call predecessors, (55), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 451 [2022-07-14 00:55:24,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:55:24,523 INFO L225 Difference]: With dead ends: 7852 [2022-07-14 00:55:24,523 INFO L226 Difference]: Without dead ends: 3938 [2022-07-14 00:55:24,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 905 GetRequests, 887 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:55:24,536 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 21 mSDsluCounter, 10375 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 11864 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:55:24,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 11864 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 00:55:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2022-07-14 00:55:24,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3938. [2022-07-14 00:55:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3938 states, 3052 states have (on average 1.422346002621232) internal successors, (4341), 3064 states have internal predecessors, (4341), 707 states have call successors, (707), 179 states have call predecessors, (707), 178 states have return successors, (708), 706 states have call predecessors, (708), 706 states have call successors, (708) [2022-07-14 00:55:24,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3938 states and 5756 transitions. [2022-07-14 00:55:24,622 INFO L78 Accepts]: Start accepts. Automaton has 3938 states and 5756 transitions. Word has length 451 [2022-07-14 00:55:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:55:24,623 INFO L495 AbstractCegarLoop]: Abstraction has 3938 states and 5756 transitions. [2022-07-14 00:55:24,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 14.0) internal successors, (182), 15 states have internal predecessors, (182), 4 states have call successors, (55), 2 states have call predecessors, (55), 5 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-14 00:55:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 5756 transitions. [2022-07-14 00:55:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-14 00:55:24,632 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:55:24,632 INFO L195 NwaCegarLoop]: trace histogram [20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:55:24,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 00:55:24,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:55:24,867 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:55:24,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:55:24,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1657615186, now seen corresponding path program 2 times [2022-07-14 00:55:24,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:55:24,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684546392] [2022-07-14 00:55:24,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:55:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:55:24,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:55:24,888 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:55:24,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process