./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.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 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:45:25,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:45:25,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:45:25,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:45:25,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:45:25,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:45:25,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:45:25,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:45:25,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:45:25,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:45:25,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:45:25,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:45:25,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:45:25,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:45:25,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:45:25,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:45:25,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:45:25,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:45:25,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:45:25,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:45:25,732 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:45:25,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:45:25,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:45:25,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:45:25,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:45:25,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:45:25,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:45:25,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:45:25,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:45:25,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:45:25,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:45:25,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:45:25,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:45:25,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:45:25,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:45:25,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:45:25,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:45:25,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:45:25,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:45:25,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:45:25,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:45:25,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:45:25,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 22:45:25,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:45:25,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:45:25,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:45:25,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:45:25,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:45:25,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:45:25,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:45:25,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:45:25,774 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:45:25,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:45:25,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 22:45:25,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:45:25,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:45:25,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:45:25,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:45:25,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:45:25,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:45:25,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:45:25,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:45:25,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:45:25,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:45:25,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:45:25,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:45:25,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:45:25,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:45:25,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 22:45:25,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 22:45:25,778 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:45:25,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:45:25,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:45:25,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-07-19 22:45:26,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:45:26,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:45:26,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:45:26,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:45:26,126 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:45:26,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-19 22:45:26,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f893716/391d1d90788c4a2c8dd386f29e30aef6/FLAG8e5947a1d [2022-07-19 22:45:26,920 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:45:26,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-19 22:45:26,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f893716/391d1d90788c4a2c8dd386f29e30aef6/FLAG8e5947a1d [2022-07-19 22:45:27,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f893716/391d1d90788c4a2c8dd386f29e30aef6 [2022-07-19 22:45:27,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:45:27,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:45:27,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:45:27,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:45:27,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:45:27,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:27" (1/1) ... [2022-07-19 22:45:27,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b52f462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:27, skipping insertion in model container [2022-07-19 22:45:27,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:27" (1/1) ... [2022-07-19 22:45:27,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:45:27,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:45:28,443 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-19 22:45:28,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:45:28,494 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:45:28,664 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) [2022-07-19 22:45:28,669 INFO L158 Benchmark]: Toolchain (without parser) took 1496.88ms. Allocated memory is still 113.2MB. Free memory was 88.9MB in the beginning and 70.6MB in the end (delta: 18.3MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-07-19 22:45:28,670 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 22:45:28,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1494.96ms. Allocated memory is still 113.2MB. Free memory was 88.9MB in the beginning and 70.6MB in the end (delta: 18.3MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2022-07-19 22:45:28,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1494.96ms. Allocated memory is still 113.2MB. Free memory was 88.9MB in the beginning and 70.6MB in the end (delta: 18.3MB). Peak memory consumption was 64.1MB. 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.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 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 22:45:30,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 22:45:30,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 22:45:30,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 22:45:30,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 22:45:30,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 22:45:30,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 22:45:30,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 22:45:30,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 22:45:30,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 22:45:30,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 22:45:30,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 22:45:30,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 22:45:30,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 22:45:30,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 22:45:30,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 22:45:30,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 22:45:30,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 22:45:30,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 22:45:30,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 22:45:30,610 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 22:45:30,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 22:45:30,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 22:45:30,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 22:45:30,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 22:45:30,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 22:45:30,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 22:45:30,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 22:45:30,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 22:45:30,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 22:45:30,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 22:45:30,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 22:45:30,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 22:45:30,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 22:45:30,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 22:45:30,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 22:45:30,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 22:45:30,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 22:45:30,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 22:45:30,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 22:45:30,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 22:45:30,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 22:45:30,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 22:45:30,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 22:45:30,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 22:45:30,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 22:45:30,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 22:45:30,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 22:45:30,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 22:45:30,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 22:45:30,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 22:45:30,673 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 22:45:30,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 22:45:30,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 22:45:30,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 22:45:30,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 22:45:30,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 22:45:30,674 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 22:45:30,674 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 22:45:30,675 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 22:45:30,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 22:45:30,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 22:45:30,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 22:45:30,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 22:45:30,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 22:45:30,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 22:45:30,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:45:30,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 22:45:30,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 22:45:30,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 22:45:30,676 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 22:45:30,676 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 22:45:30,677 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 22:45:30,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 22:45:30,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 22:45:30,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 22:45:30,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-07-19 22:45:30,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 22:45:31,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 22:45:31,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 22:45:31,025 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 22:45:31,025 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 22:45:31,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-19 22:45:31,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60576fea/b5f332a6f03e4a09bdb772ccda93d56e/FLAG6d76af923 [2022-07-19 22:45:31,844 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 22:45:31,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-19 22:45:31,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60576fea/b5f332a6f03e4a09bdb772ccda93d56e/FLAG6d76af923 [2022-07-19 22:45:31,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e60576fea/b5f332a6f03e4a09bdb772ccda93d56e [2022-07-19 22:45:31,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 22:45:31,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 22:45:31,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 22:45:31,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 22:45:31,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 22:45:31,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:31" (1/1) ... [2022-07-19 22:45:31,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119623c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:31, skipping insertion in model container [2022-07-19 22:45:31,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:45:31" (1/1) ... [2022-07-19 22:45:31,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 22:45:32,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:45:33,069 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-19 22:45:33,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:45:33,127 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-19 22:45:33,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 22:45:33,413 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-19 22:45:33,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:45:33,442 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 22:45:33,725 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-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-07-19 22:45:33,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 22:45:33,882 INFO L208 MainTranslator]: Completed translation [2022-07-19 22:45:33,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33 WrapperNode [2022-07-19 22:45:33,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 22:45:33,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 22:45:33,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 22:45:33,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 22:45:33,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:33,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,073 INFO L137 Inliner]: procedures = 160, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2672 [2022-07-19 22:45:34,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 22:45:34,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 22:45:34,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 22:45:34,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 22:45:34,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 22:45:34,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 22:45:34,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 22:45:34,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 22:45:34,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (1/1) ... [2022-07-19 22:45:34,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 22:45:34,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 22:45:34,345 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) [2022-07-19 22:45:34,371 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 [2022-07-19 22:45:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-19 22:45:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-19 22:45:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-19 22:45:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-19 22:45:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-19 22:45:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 22:45:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-19 22:45:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 22:45:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-19 22:45:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-19 22:45:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-19 22:45:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-19 22:45:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-19 22:45:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-19 22:45:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-19 22:45:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-19 22:45:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 22:45:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 22:45:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-19 22:45:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-19 22:45:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 22:45:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 22:45:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-19 22:45:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-19 22:45:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-19 22:45:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-19 22:45:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-19 22:45:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-19 22:45:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 22:45:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 22:45:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 22:45:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 22:45:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-19 22:45:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-19 22:45:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 22:45:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 22:45:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-19 22:45:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-19 22:45:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-19 22:45:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-19 22:45:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-19 22:45:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-19 22:45:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-19 22:45:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-19 22:45:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-19 22:45:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-19 22:45:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 22:45:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 22:45:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-19 22:45:34,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-19 22:45:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-19 22:45:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-19 22:45:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-19 22:45:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-19 22:45:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 22:45:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-19 22:45:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-19 22:45:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-19 22:45:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-19 22:45:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-19 22:45:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-19 22:45:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-19 22:45:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-19 22:45:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 22:45:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 22:45:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-19 22:45:34,403 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-19 22:45:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 22:45:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-19 22:45:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-19 22:45:34,404 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-19 22:45:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-19 22:45:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-19 22:45:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-19 22:45:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-19 22:45:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-19 22:45:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-19 22:45:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-19 22:45:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-19 22:45:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-19 22:45:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-19 22:45:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 22:45:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-19 22:45:34,407 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-19 22:45:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-19 22:45:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-19 22:45:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 22:45:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-19 22:45:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 22:45:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-19 22:45:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-19 22:45:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-19 22:45:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-19 22:45:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-19 22:45:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-19 22:45:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 22:45:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-19 22:45:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-19 22:45:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-19 22:45:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-19 22:45:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 22:45:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 22:45:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-19 22:45:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-19 22:45:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-19 22:45:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-19 22:45:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-19 22:45:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-19 22:45:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-19 22:45:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-19 22:45:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-19 22:45:34,414 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-19 22:45:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-19 22:45:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-19 22:45:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-19 22:45:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-19 22:45:34,417 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-19 22:45:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-19 22:45:34,418 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-19 22:45:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-19 22:45:34,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 22:45:34,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 22:45:34,931 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 22:45:34,934 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 22:46:15,805 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 22:46:15,828 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 22:46:15,830 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 22:46:15,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:46:15 BoogieIcfgContainer [2022-07-19 22:46:15,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 22:46:15,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 22:46:15,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 22:46:15,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 22:46:15,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:45:31" (1/3) ... [2022-07-19 22:46:15,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c997958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:46:15, skipping insertion in model container [2022-07-19 22:46:15,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:45:33" (2/3) ... [2022-07-19 22:46:15,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c997958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:46:15, skipping insertion in model container [2022-07-19 22:46:15,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:46:15" (3/3) ... [2022-07-19 22:46:15,843 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-07-19 22:46:15,857 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 22:46:15,857 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 22:46:15,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 22:46:15,944 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@3f8c194c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7fe302e4 [2022-07-19 22:46:15,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 22:46:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 968 states, 708 states have (on average 1.3785310734463276) internal successors, (976), 716 states have internal predecessors, (976), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) [2022-07-19 22:46:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-19 22:46:15,983 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:46:15,984 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-19 22:46:15,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:46:15,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:46:15,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1364499313, now seen corresponding path program 1 times [2022-07-19 22:46:16,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:46:16,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513472110] [2022-07-19 22:46:16,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:46:16,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:46:16,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:46:16,013 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) [2022-07-19 22:46:16,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 22:46:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:46:17,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 22:46:17,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:46:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 22:46:17,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:46:17,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:46:17,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513472110] [2022-07-19 22:46:17,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513472110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:46:17,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:46:17,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 22:46:17,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613143338] [2022-07-19 22:46:17,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:46:17,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 22:46:17,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:46:17,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 22:46:17,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:46:17,852 INFO L87 Difference]: Start difference. First operand has 968 states, 708 states have (on average 1.3785310734463276) internal successors, (976), 716 states have internal predecessors, (976), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 22:46:18,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:46:18,240 INFO L93 Difference]: Finished difference Result 1939 states and 2828 transitions. [2022-07-19 22:46:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 22:46:18,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 87 [2022-07-19 22:46:18,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:46:18,262 INFO L225 Difference]: With dead ends: 1939 [2022-07-19 22:46:18,263 INFO L226 Difference]: Without dead ends: 959 [2022-07-19 22:46:18,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:46:18,282 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 3 mSDsluCounter, 4171 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5566 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 22:46:18,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5566 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 22:46:18,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-07-19 22:46:18,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2022-07-19 22:46:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 700 states have (on average 1.37) internal successors, (959), 708 states have internal predecessors, (959), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (218), 211 states have call predecessors, (218), 211 states have call successors, (218) [2022-07-19 22:46:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1388 transitions. [2022-07-19 22:46:18,434 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1388 transitions. Word has length 87 [2022-07-19 22:46:18,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:46:18,435 INFO L495 AbstractCegarLoop]: Abstraction has 959 states and 1388 transitions. [2022-07-19 22:46:18,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 22:46:18,436 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1388 transitions. [2022-07-19 22:46:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-07-19 22:46:18,444 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:46:18,444 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 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] [2022-07-19 22:46:18,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 22:46:18,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:46:18,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:46:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:46:18,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1592292097, now seen corresponding path program 1 times [2022-07-19 22:46:18,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:46:18,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183133371] [2022-07-19 22:46:18,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:46:18,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:46:18,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:46:18,665 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) [2022-07-19 22:46:18,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 22:46:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:46:20,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 22:46:20,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:46:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 22:46:20,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:46:20,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:46:20,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183133371] [2022-07-19 22:46:20,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183133371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:46:20,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:46:20,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 22:46:20,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841158817] [2022-07-19 22:46:20,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:46:20,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 22:46:20,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:46:20,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 22:46:20,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:46:20,467 INFO L87 Difference]: Start difference. First operand 959 states and 1388 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 22:46:20,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:46:20,766 INFO L93 Difference]: Finished difference Result 1910 states and 2763 transitions. [2022-07-19 22:46:20,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 22:46:20,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 90 [2022-07-19 22:46:20,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:46:20,775 INFO L225 Difference]: With dead ends: 1910 [2022-07-19 22:46:20,776 INFO L226 Difference]: Without dead ends: 959 [2022-07-19 22:46:20,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 22:46:20,783 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 0 mSDsluCounter, 4122 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5501 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 22:46:20,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5501 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 22:46:20,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-07-19 22:46:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2022-07-19 22:46:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 700 states have (on average 1.37) internal successors, (959), 708 states have internal predecessors, (959), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (217), 211 states have call predecessors, (217), 211 states have call successors, (217) [2022-07-19 22:46:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1387 transitions. [2022-07-19 22:46:20,848 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1387 transitions. Word has length 90 [2022-07-19 22:46:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:46:20,849 INFO L495 AbstractCegarLoop]: Abstraction has 959 states and 1387 transitions. [2022-07-19 22:46:20,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-19 22:46:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1387 transitions. [2022-07-19 22:46:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 22:46:20,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:46:20,857 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:46:20,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 22:46:21,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:46:21,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:46:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:46:21,080 INFO L85 PathProgramCache]: Analyzing trace with hash -893601957, now seen corresponding path program 2 times [2022-07-19 22:46:21,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:46:21,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287361848] [2022-07-19 22:46:21,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 22:46:21,083 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:46:21,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:46:21,089 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) [2022-07-19 22:46:21,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-19 22:46:28,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-19 22:46:28,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 22:46:28,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-19 22:46:28,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:46:29,532 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 499 treesize of output 379 [2022-07-19 22:46:29,551 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 379 treesize of output 259 [2022-07-19 22:46:29,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:46:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:46:29,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:46:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:46:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:46:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:46:31,662 INFO L356 Elim1Store]: treesize reduction 1113, result has 16.4 percent of original size [2022-07-19 22:46:31,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 259 treesize of output 289 [2022-07-19 22:46:39,021 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-19 22:46:39,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 22:46:39,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:46:39,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287361848] [2022-07-19 22:46:39,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287361848] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 22:46:39,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 22:46:39,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 22:46:39,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578774844] [2022-07-19 22:46:39,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:46:39,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 22:46:39,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:46:39,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 22:46:39,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-19 22:46:39,025 INFO L87 Difference]: Start difference. First operand 959 states and 1387 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-19 22:46:43,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:46:45,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:46:47,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:46:50,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:46:51,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:46:59,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:01,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:03,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:05,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:47:11,942 INFO L93 Difference]: Finished difference Result 2307 states and 3377 transitions. [2022-07-19 22:47:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 22:47:11,944 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 93 [2022-07-19 22:47:11,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:47:11,956 INFO L225 Difference]: With dead ends: 2307 [2022-07-19 22:47:11,957 INFO L226 Difference]: Without dead ends: 1363 [2022-07-19 22:47:11,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-19 22:47:11,962 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 407 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 8781 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 698 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-07-19 22:47:11,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 8781 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 480 Invalid, 4 Unknown, 698 Unchecked, 32.2s Time] [2022-07-19 22:47:11,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2022-07-19 22:47:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 968. [2022-07-19 22:47:11,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 708 states have (on average 1.36864406779661) internal successors, (969), 716 states have internal predecessors, (969), 212 states have call successors, (212), 47 states have call predecessors, (212), 47 states have return successors, (218), 211 states have call predecessors, (218), 212 states have call successors, (218) [2022-07-19 22:47:12,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1399 transitions. [2022-07-19 22:47:12,009 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1399 transitions. Word has length 93 [2022-07-19 22:47:12,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:47:12,010 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 1399 transitions. [2022-07-19 22:47:12,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-19 22:47:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1399 transitions. [2022-07-19 22:47:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-19 22:47:12,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:47:12,013 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:47:12,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-19 22:47:12,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:47:12,227 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:47:12,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:47:12,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1027615463, now seen corresponding path program 1 times [2022-07-19 22:47:12,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:47:12,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579101245] [2022-07-19 22:47:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:47:12,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:47:12,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:47:12,231 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) [2022-07-19 22:47:12,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-19 22:47:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:47:23,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-19 22:47:23,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:47:23,990 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 13 treesize of output 9 [2022-07-19 22:47:29,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:47:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:47:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:47:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:47:29,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:47:29,961 INFO L356 Elim1Store]: treesize reduction 134, result has 44.6 percent of original size [2022-07-19 22:47:29,962 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 185 treesize of output 158 [2022-07-19 22:47:29,989 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 148 treesize of output 116 [2022-07-19 22:47:30,014 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 123 treesize of output 99 [2022-07-19 22:47:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 22:47:33,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 22:47:38,146 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 202 treesize of output 154 [2022-07-19 22:47:38,172 INFO L356 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2022-07-19 22:47:38,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 154 treesize of output 1 [2022-07-19 22:47:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-19 22:47:38,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:47:38,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579101245] [2022-07-19 22:47:38,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579101245] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-19 22:47:38,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:47:38,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2022-07-19 22:47:38,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588155670] [2022-07-19 22:47:38,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:47:38,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 22:47:38,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:47:38,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 22:47:38,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-07-19 22:47:38,597 INFO L87 Difference]: Start difference. First operand 968 states and 1399 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-19 22:47:40,667 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 [] [2022-07-19 22:47:42,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:45,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:46,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:48,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:50,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:52,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:55,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:47:57,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:00,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:02,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:08,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:11,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:15,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:17,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:19,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:20,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:21,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:23,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:24,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:25,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:27,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:29,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:31,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:33,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:36,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:37,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:45,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:47,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:48:55,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:49:04,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:49:06,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 22:49:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 22:49:15,292 INFO L93 Difference]: Finished difference Result 1934 states and 2800 transitions. [2022-07-19 22:49:15,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 22:49:15,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 93 [2022-07-19 22:49:15,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 22:49:15,303 INFO L225 Difference]: With dead ends: 1934 [2022-07-19 22:49:15,305 INFO L226 Difference]: Without dead ends: 989 [2022-07-19 22:49:15,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 153 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-07-19 22:49:15,313 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 24 mSDsluCounter, 6924 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 8316 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 748 IncrementalHoareTripleChecker+Unchecked, 96.6s IncrementalHoareTripleChecker+Time [2022-07-19 22:49:15,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 8316 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 706 Invalid, 14 Unknown, 748 Unchecked, 96.6s Time] [2022-07-19 22:49:15,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-07-19 22:49:15,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 974. [2022-07-19 22:49:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 712 states have (on average 1.3679775280898876) internal successors, (974), 722 states have internal predecessors, (974), 213 states have call successors, (213), 47 states have call predecessors, (213), 48 states have return successors, (222), 211 states have call predecessors, (222), 213 states have call successors, (222) [2022-07-19 22:49:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1409 transitions. [2022-07-19 22:49:15,362 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1409 transitions. Word has length 93 [2022-07-19 22:49:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 22:49:15,362 INFO L495 AbstractCegarLoop]: Abstraction has 974 states and 1409 transitions. [2022-07-19 22:49:15,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-19 22:49:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1409 transitions. [2022-07-19 22:49:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-19 22:49:15,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 22:49:15,366 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 22:49:15,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-19 22:49:15,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 22:49:15,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 22:49:15,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 22:49:15,585 INFO L85 PathProgramCache]: Analyzing trace with hash -980358125, now seen corresponding path program 1 times [2022-07-19 22:49:15,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 22:49:15,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019110916] [2022-07-19 22:49:15,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 22:49:15,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 22:49:15,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 22:49:15,587 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) [2022-07-19 22:49:15,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-19 22:49:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 22:49:25,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 40 conjunts are in the unsatisfiable core [2022-07-19 22:49:25,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 22:49:26,009 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 13 treesize of output 9 [2022-07-19 22:49:30,741 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 263 treesize of output 215 [2022-07-19 22:49:30,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:49:30,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:49:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:49:30,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 22:49:30,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-19 22:49:31,462 INFO L356 Elim1Store]: treesize reduction 109, result has 41.1 percent of original size [2022-07-19 22:49:31,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 215 treesize of output 133 [2022-07-19 22:49:31,490 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 170 treesize of output 134 [2022-07-19 22:49:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 22:49:36,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 22:49:42,281 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 495 treesize of output 375 [2022-07-19 22:49:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-07-19 22:49:42,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 22:49:42,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019110916] [2022-07-19 22:49:42,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019110916] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-19 22:49:42,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 22:49:42,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2022-07-19 22:49:42,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12533574] [2022-07-19 22:49:42,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 22:49:42,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 22:49:42,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 22:49:42,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 22:49:42,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2022-07-19 22:49:42,725 INFO L87 Difference]: Start difference. First operand 974 states and 1409 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-19 22:49:44,793 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 [] [2022-07-19 22:49:46,810 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 []