./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.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 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:44:49,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:44:49,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:44:50,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:44:50,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:44:50,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:44:50,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:44:50,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:44:50,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:44:50,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:44:50,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:44:50,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:44:50,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:44:50,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:44:50,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:44:50,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:44:50,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:44:50,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:44:50,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:44:50,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:44:50,073 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:44:50,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:44:50,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:44:50,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:44:50,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:44:50,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:44:50,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:44:50,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:44:50,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:44:50,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:44:50,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:44:50,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:44:50,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:44:50,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:44:50,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:44:50,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:44:50,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:44:50,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:44:50,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:44:50,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:44:50,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:44:50,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:44:50,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:44:50,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:44:50,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:44:50,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:44:50,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:44:50,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:44:50,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:44:50,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:44:50,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:44:50,117 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:44:50,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:44:50,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:44:50,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:44:50,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:44:50,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:44:50,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:44:50,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:44:50,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:44:50,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:44:50,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:44:50,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:44:50,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:44:50,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:44:50,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:44:50,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:44:50,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:44:50,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:44:50,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:44:50,122 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:44:50,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:44:50,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:44:50,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2022-07-14 00:44:50,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:44:50,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:44:50,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:44:50,358 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:44:50,358 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:44:50,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:44:50,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af28b8a9f/8052e8b335d549efa7e88122cb288aba/FLAGb6acfbd51 [2022-07-14 00:44:50,920 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:44:50,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:44:50,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af28b8a9f/8052e8b335d549efa7e88122cb288aba/FLAGb6acfbd51 [2022-07-14 00:44:51,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af28b8a9f/8052e8b335d549efa7e88122cb288aba [2022-07-14 00:44:51,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:44:51,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:44:51,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:44:51,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:44:51,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:44:51,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:44:51" (1/1) ... [2022-07-14 00:44:51,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fcf81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:51, skipping insertion in model container [2022-07-14 00:44:51,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:44:51" (1/1) ... [2022-07-14 00:44:51,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:44:51,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:44:52,209 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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-14 00:44:52,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:44:52,248 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:44:52,408 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) 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: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 00:44:52,415 INFO L158 Benchmark]: Toolchain (without parser) took 1239.55ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 54.8MB in the beginning and 60.7MB in the end (delta: -5.9MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-07-14 00:44:52,416 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:44:52,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1236.43ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 54.6MB in the beginning and 60.7MB in the end (delta: -6.1MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-07-14 00:44:52,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 48.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1236.43ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 54.6MB in the beginning and 60.7MB in the end (delta: -6.1MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) 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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.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 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:44:53,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:44:53,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:44:53,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:44:53,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:44:53,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:44:53,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:44:53,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:44:53,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:44:53,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:44:53,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:44:53,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:44:53,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:44:53,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:44:53,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:44:53,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:44:53,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:44:53,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:44:53,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:44:53,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:44:53,942 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:44:53,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:44:53,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:44:53,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:44:53,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:44:53,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:44:53,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:44:53,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:44:53,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:44:53,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:44:53,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:44:53,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:44:53,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:44:53,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:44:53,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:44:53,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:44:53,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:44:53,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:44:53,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:44:53,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:44:53,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:44:53,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:44:53,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:44:53,990 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:44:53,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:44:53,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:44:53,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:44:53,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:44:53,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:44:53,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:44:53,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:44:53,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:44:53,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:44:53,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:44:53,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:44:53,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:44:53,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:44:53,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:44:53,994 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:44:53,994 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:44:53,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:44:53,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:44:53,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:44:53,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:44:53,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:44:53,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:44:53,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:44:53,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:44:53,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:44:53,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:44:53,996 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:44:53,996 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:44:53,996 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:44:53,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:44:53,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:44:53,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:44:53,997 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2022-07-14 00:44:54,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:44:54,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:44:54,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:44:54,289 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:44:54,290 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:44:54,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:44:54,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d9df3c7e/b1707e2134134090b5906a79f8b78bf9/FLAGe85118aaf [2022-07-14 00:44:54,911 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:44:54,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:44:54,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d9df3c7e/b1707e2134134090b5906a79f8b78bf9/FLAGe85118aaf [2022-07-14 00:44:55,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d9df3c7e/b1707e2134134090b5906a79f8b78bf9 [2022-07-14 00:44:55,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:44:55,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:44:55,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:44:55,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:44:55,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:44:55,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:44:55" (1/1) ... [2022-07-14 00:44:55,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efd96c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:55, skipping insertion in model container [2022-07-14 00:44:55,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:44:55" (1/1) ... [2022-07-14 00:44:55,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:44:55,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:44:56,150 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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-14 00:44:56,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:44:56,202 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:44:56,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:44:56,454 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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-14 00:44:56,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:44:56,476 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:44:56,627 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-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2022-07-14 00:44:56,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:44:56,717 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:44:56,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56 WrapperNode [2022-07-14 00:44:56,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:44:56,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:44:56,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:44:56,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:44:56,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:56,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:56,877 INFO L137 Inliner]: procedures = 173, calls = 1227, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2877 [2022-07-14 00:44:56,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:44:56,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:44:56,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:44:56,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:44:56,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:56,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:56,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:56,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:57,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:57,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:57,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:57,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:44:57,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:44:57,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:44:57,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:44:57,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (1/1) ... [2022-07-14 00:44:57,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:44:57,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:44:57,089 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 00:44:57,095 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 00:44:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-14 00:44:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-14 00:44:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:44:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:44:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:44:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:44:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:44:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:44:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:44:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:44:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 00:44:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 00:44:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-14 00:44:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-14 00:44:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-14 00:44:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-14 00:44:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-14 00:44:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-14 00:44:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-14 00:44:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-14 00:44:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:44:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:44:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-14 00:44:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-14 00:44:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:44:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:44:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-14 00:44:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-14 00:44:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-14 00:44:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-14 00:44:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-14 00:44:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-14 00:44:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:44:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:44:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:44:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:44:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-14 00:44:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-14 00:44:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:44:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:44:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 00:44:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 00:44:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 00:44:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 00:44:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:44:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:44:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:44:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:44:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:44:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:44:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-14 00:44:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-14 00:44:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-14 00:44:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-14 00:44:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:44:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:44:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-14 00:44:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-14 00:44:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 00:44:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 00:44:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:44:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:44:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:44:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-14 00:44:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-14 00:44:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-14 00:44:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-14 00:44:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-14 00:44:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-14 00:44:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-14 00:44:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-14 00:44:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:44:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 00:44:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 00:44:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:44:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-14 00:44:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-14 00:44:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:44:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:44:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-14 00:44:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-14 00:44:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:44:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:44:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:44:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-14 00:44:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-14 00:44:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-14 00:44:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-14 00:44:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:44:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-14 00:44:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-14 00:44:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-14 00:44:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-14 00:44:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:44:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 00:44:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 00:44:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:44:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:44:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:44:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:44:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:44:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-14 00:44:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-14 00:44:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 00:44:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 00:44:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-14 00:44:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-14 00:44:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:44:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-14 00:44:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-14 00:44:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:44:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:44:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:44:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:44:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:44:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:44:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:44:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-14 00:44:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-14 00:44:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-14 00:44:57,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-14 00:44:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-14 00:44:57,144 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-14 00:44:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-14 00:44:57,144 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-14 00:44:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-14 00:44:57,144 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-14 00:44:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-14 00:44:57,145 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-14 00:44:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:44:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:44:57,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:44:57,648 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:44:57,651 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:44:57,852 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:45:35,895 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:45:35,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:45:35,908 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:45:35,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:45:35 BoogieIcfgContainer [2022-07-14 00:45:35,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:45:35,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:45:35,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:45:35,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:45:35,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:44:55" (1/3) ... [2022-07-14 00:45:35,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160bae4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:45:35, skipping insertion in model container [2022-07-14 00:45:35,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:44:56" (2/3) ... [2022-07-14 00:45:35,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160bae4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:45:35, skipping insertion in model container [2022-07-14 00:45:35,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:45:35" (3/3) ... [2022-07-14 00:45:35,920 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-14 00:45:35,930 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:45:35,930 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:45:35,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:45:36,003 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@23196d8a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7ef0183f [2022-07-14 00:45:36,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:45:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 1039 states, 770 states have (on average 1.4025974025974026) internal successors, (1080), 786 states have internal predecessors, (1080), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-14 00:45:36,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-14 00:45:36,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:36,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:36,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:36,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:36,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1529596494, now seen corresponding path program 1 times [2022-07-14 00:45:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:45:36,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397700079] [2022-07-14 00:45:36,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:36,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:45:36,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:45:36,069 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 00:45:36,087 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 00:45:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:37,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 00:45:37,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:45:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-14 00:45:37,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:45:37,299 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:45:37,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397700079] [2022-07-14 00:45:37,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397700079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:37,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:37,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 00:45:37,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047816051] [2022-07-14 00:45:37,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:37,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 00:45:37,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:45:37,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 00:45:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 00:45:37,338 INFO L87 Difference]: Start difference. First operand has 1039 states, 770 states have (on average 1.4025974025974026) internal successors, (1080), 786 states have internal predecessors, (1080), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 00:45:37,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:37,465 INFO L93 Difference]: Finished difference Result 2074 states and 3030 transitions. [2022-07-14 00:45:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 00:45:37,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 94 [2022-07-14 00:45:37,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:37,485 INFO L225 Difference]: With dead ends: 2074 [2022-07-14 00:45:37,485 INFO L226 Difference]: Without dead ends: 1022 [2022-07-14 00:45:37,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 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 00:45:37,495 INFO L413 NwaCegarLoop]: 1503 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, 1503 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 00:45:37,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1503 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 00:45:37,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2022-07-14 00:45:37,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2022-07-14 00:45:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 762 states have (on average 1.3910761154855642) internal successors, (1060), 769 states have internal predecessors, (1060), 209 states have call successors, (209), 50 states have call predecessors, (209), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-14 00:45:37,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1478 transitions. [2022-07-14 00:45:37,614 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1478 transitions. Word has length 94 [2022-07-14 00:45:37,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:37,615 INFO L495 AbstractCegarLoop]: Abstraction has 1022 states and 1478 transitions. [2022-07-14 00:45:37,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 00:45:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1478 transitions. [2022-07-14 00:45:37,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-14 00:45:37,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:37,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:37,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:45:37,841 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 00:45:37,841 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:37,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:37,842 INFO L85 PathProgramCache]: Analyzing trace with hash -390287148, now seen corresponding path program 1 times [2022-07-14 00:45:37,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:45:37,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779684724] [2022-07-14 00:45:37,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:37,843 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:45:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:45:37,845 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 00:45:37,847 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 00:45:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:38,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 00:45:38,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:45:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-14 00:45:39,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:45:39,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:45:39,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779684724] [2022-07-14 00:45:39,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779684724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:39,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:39,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:45:39,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041164239] [2022-07-14 00:45:39,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:39,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:45:39,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:45:39,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:45:39,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:45:39,165 INFO L87 Difference]: Start difference. First operand 1022 states and 1478 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-14 00:45:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:39,419 INFO L93 Difference]: Finished difference Result 2037 states and 2949 transitions. [2022-07-14 00:45:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 00:45:39,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2022-07-14 00:45:39,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:39,425 INFO L225 Difference]: With dead ends: 2037 [2022-07-14 00:45:39,426 INFO L226 Difference]: Without dead ends: 1023 [2022-07-14 00:45:39,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:45:39,430 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 489 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 5302 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:39,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 5302 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 00:45:39,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2022-07-14 00:45:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1023. [2022-07-14 00:45:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 763 states have (on average 1.3905635648754915) internal successors, (1061), 770 states have internal predecessors, (1061), 209 states have call successors, (209), 50 states have call predecessors, (209), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-14 00:45:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1479 transitions. [2022-07-14 00:45:39,462 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1479 transitions. Word has length 94 [2022-07-14 00:45:39,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:39,463 INFO L495 AbstractCegarLoop]: Abstraction has 1023 states and 1479 transitions. [2022-07-14 00:45:39,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-14 00:45:39,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1479 transitions. [2022-07-14 00:45:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-14 00:45:39,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:39,466 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:45:39,494 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 00:45:39,683 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 00:45:39,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:39,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:39,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1297951251, now seen corresponding path program 1 times [2022-07-14 00:45:39,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:45:39,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274124990] [2022-07-14 00:45:39,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:39,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:45:39,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:45:39,687 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 00:45:39,688 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 00:45:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:40,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 00:45:40,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:45:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-14 00:45:41,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:45:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-14 00:45:41,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:45:41,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274124990] [2022-07-14 00:45:41,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274124990] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:45:41,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:45:41,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2022-07-14 00:45:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92304980] [2022-07-14 00:45:41,848 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:45:41,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:45:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:45:41,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:45:41,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:45:41,849 INFO L87 Difference]: Start difference. First operand 1023 states and 1479 transitions. Second operand has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-14 00:45:42,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:42,185 INFO L93 Difference]: Finished difference Result 2039 states and 2951 transitions. [2022-07-14 00:45:42,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 00:45:42,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 4 states have call successors, (11) Word has length 95 [2022-07-14 00:45:42,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:42,192 INFO L225 Difference]: With dead ends: 2039 [2022-07-14 00:45:42,192 INFO L226 Difference]: Without dead ends: 1024 [2022-07-14 00:45:42,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:45:42,198 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 490 mSDsluCounter, 6178 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 7654 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:42,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 7654 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 00:45:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-07-14 00:45:42,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1024. [2022-07-14 00:45:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1024 states, 764 states have (on average 1.3900523560209423) internal successors, (1062), 771 states have internal predecessors, (1062), 209 states have call successors, (209), 50 states have call predecessors, (209), 50 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-14 00:45:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1480 transitions. [2022-07-14 00:45:42,239 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1480 transitions. Word has length 95 [2022-07-14 00:45:42,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:42,240 INFO L495 AbstractCegarLoop]: Abstraction has 1024 states and 1480 transitions. [2022-07-14 00:45:42,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.857142857142858) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 2 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-14 00:45:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1480 transitions. [2022-07-14 00:45:42,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-14 00:45:42,246 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:42,246 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 00:45:42,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 00:45:42,459 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 00:45:42,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:42,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:42,460 INFO L85 PathProgramCache]: Analyzing trace with hash 629232628, now seen corresponding path program 2 times [2022-07-14 00:45:42,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:45:42,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005802730] [2022-07-14 00:45:42,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:45:42,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:45:42,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:45:42,463 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 00:45:42,465 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 00:45:43,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:45:43,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:45:43,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:45:43,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:45:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-14 00:45:43,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:45:43,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:45:43,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005802730] [2022-07-14 00:45:43,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005802730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:43,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:43,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:45:43,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728194419] [2022-07-14 00:45:43,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:43,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:45:43,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:45:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:45:43,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:45:43,457 INFO L87 Difference]: Start difference. First operand 1024 states and 1480 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:45:43,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:43,782 INFO L93 Difference]: Finished difference Result 2487 states and 3566 transitions. [2022-07-14 00:45:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:45:43,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2022-07-14 00:45:43,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:43,790 INFO L225 Difference]: With dead ends: 2487 [2022-07-14 00:45:43,790 INFO L226 Difference]: Without dead ends: 1475 [2022-07-14 00:45:43,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:45:43,797 INFO L413 NwaCegarLoop]: 1554 mSDtfsCounter, 630 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 2995 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:43,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 2995 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:45:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-07-14 00:45:43,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1473. [2022-07-14 00:45:43,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 1106 states have (on average 1.3806509945750451) internal successors, (1527), 1118 states have internal predecessors, (1527), 286 states have call successors, (286), 80 states have call predecessors, (286), 80 states have return successors, (286), 285 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-14 00:45:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2099 transitions. [2022-07-14 00:45:43,851 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2099 transitions. Word has length 96 [2022-07-14 00:45:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:43,852 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 2099 transitions. [2022-07-14 00:45:43,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:45:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2099 transitions. [2022-07-14 00:45:43,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-14 00:45:43,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:43,858 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2022-07-14 00:45:43,889 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 00:45:44,083 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 00:45:44,083 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:44,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:44,084 INFO L85 PathProgramCache]: Analyzing trace with hash 731292404, now seen corresponding path program 1 times [2022-07-14 00:45:44,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:45:44,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094763781] [2022-07-14 00:45:44,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:45:44,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:45:44,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:45:44,088 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 00:45:44,090 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 00:45:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:45:45,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 00:45:45,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:45:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 294 proven. 3 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-07-14 00:45:45,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 00:45:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-07-14 00:45:46,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:45:46,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094763781] [2022-07-14 00:45:46,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094763781] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 00:45:46,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 00:45:46,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 00:45:46,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122837779] [2022-07-14 00:45:46,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 00:45:46,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:45:46,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:45:46,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:45:46,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:45:46,968 INFO L87 Difference]: Start difference. First operand 1473 states and 2099 transitions. Second operand has 11 states, 9 states have (on average 10.555555555555555) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 00:45:47,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:45:47,448 INFO L93 Difference]: Finished difference Result 2936 states and 4188 transitions. [2022-07-14 00:45:47,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:45:47,449 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.555555555555555) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) Word has length 224 [2022-07-14 00:45:47,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:45:47,456 INFO L225 Difference]: With dead ends: 2936 [2022-07-14 00:45:47,456 INFO L226 Difference]: Without dead ends: 1475 [2022-07-14 00:45:47,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:45:47,462 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 491 mSDsluCounter, 7652 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 9128 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:45:47,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 9128 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:45:47,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-07-14 00:45:47,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2022-07-14 00:45:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1108 states have (on average 1.3799638989169676) internal successors, (1529), 1120 states have internal predecessors, (1529), 286 states have call successors, (286), 80 states have call predecessors, (286), 80 states have return successors, (286), 285 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-14 00:45:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2101 transitions. [2022-07-14 00:45:47,509 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2101 transitions. Word has length 224 [2022-07-14 00:45:47,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:45:47,511 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 2101 transitions. [2022-07-14 00:45:47,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.555555555555555) internal successors, (95), 11 states have internal predecessors, (95), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 2 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-14 00:45:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2101 transitions. [2022-07-14 00:45:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-14 00:45:47,516 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:45:47,516 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-07-14 00:45:47,550 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 00:45:47,727 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 00:45:47,727 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:45:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:45:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1262573005, now seen corresponding path program 2 times [2022-07-14 00:45:47,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:45:47,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256640629] [2022-07-14 00:45:47,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 00:45:47,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:45:47,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:45:47,731 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 00:45:47,734 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 00:45:55,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 00:45:55,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 00:45:55,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 00:45:55,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:45:55,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-07-14 00:45:57,961 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ldv_init_zalloc_~p~2.base_BEFORE_CALL_1 (_ BitVec 64))) (= ((as const (Array (_ BitVec 64) (_ BitVec 8))) (_ bv0 8)) (select |c_#memory_int| v_ldv_init_zalloc_~p~2.base_BEFORE_CALL_1))) is different from true [2022-07-14 00:45:58,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-07-14 00:45:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-07-14 00:45:58,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:45:58,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:45:58,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256640629] [2022-07-14 00:45:58,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256640629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:45:58,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:45:58,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-14 00:45:58,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913013716] [2022-07-14 00:45:58,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:45:58,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:45:58,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:45:58,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:45:58,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2022-07-14 00:45:58,687 INFO L87 Difference]: Start difference. First operand 1475 states and 2101 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 3 states have call successors, (18), 3 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-14 00:46:00,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:02,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:04,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:06,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:08,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:10,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:14,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:16,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:17,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:20,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:22,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:24,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:26,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:28,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:30,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:33,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:37,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:39,205 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:41,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:49,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:51,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:52,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:54,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:56,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:57,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:46:59,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:01,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:03,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:05,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:08,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:10,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:14,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:18,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:21,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:39,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:42,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:43,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:47,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:50,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:52,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:53,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:55,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:57,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:47:59,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:01,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:03,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:05,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:07,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:11,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:24,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:31,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:33,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:35,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:37,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:38,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:40,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:47,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:58,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:48:59,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:49:01,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:49:03,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:49:05,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:49:07,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []