./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:40:08,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:40:08,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:40:08,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:40:08,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:40:08,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:40:08,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:40:08,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:40:08,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:40:08,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:40:08,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:40:09,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:40:09,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:40:09,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:40:09,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:40:09,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:40:09,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:40:09,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:40:09,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:40:09,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:40:09,014 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:40:09,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:40:09,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:40:09,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:40:09,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:40:09,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:40:09,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:40:09,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:40:09,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:40:09,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:40:09,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:40:09,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:40:09,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:40:09,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:40:09,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:40:09,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:40:09,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:40:09,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:40:09,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:40:09,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:40:09,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:40:09,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:40:09,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:40:09,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:40:09,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:40:09,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:40:09,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:40:09,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:40:09,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:40:09,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:40:09,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:40:09,059 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:40:09,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:40:09,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:40:09,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:40:09,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:40:09,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:40:09,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:40:09,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:40:09,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:40:09,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:40:09,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:40:09,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:40:09,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:40:09,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:40:09,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:40:09,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:40:09,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:40:09,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:40:09,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:40:09,064 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:40:09,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:40:09,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:40:09,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-14 00:40:09,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:40:09,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:40:09,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:40:09,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:40:09,301 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:40:09,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-14 00:40:09,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60fb7c3e/e888622ff7ba47038f8c8859986e7954/FLAGda48dc0f0 [2022-07-14 00:40:09,953 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:40:09,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-14 00:40:09,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60fb7c3e/e888622ff7ba47038f8c8859986e7954/FLAGda48dc0f0 [2022-07-14 00:40:10,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a60fb7c3e/e888622ff7ba47038f8c8859986e7954 [2022-07-14 00:40:10,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:40:10,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:40:10,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:40:10,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:40:10,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:40:10,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:40:10" (1/1) ... [2022-07-14 00:40:10,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:10, skipping insertion in model container [2022-07-14 00:40:10,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:40:10" (1/1) ... [2022-07-14 00:40:10,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:40:10,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:40:10,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-14 00:40:11,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:40:11,317 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:40:11,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-14 00:40:11,443 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 00:40:11,451 INFO L158 Benchmark]: Toolchain (without parser) took 1054.94ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 74.0MB in the beginning and 87.4MB in the end (delta: -13.4MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-07-14 00:40:11,451 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 00:40:11,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1053.75ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 73.7MB in the beginning and 87.4MB in the end (delta: -13.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-07-14 00:40:11,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1053.75ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 73.7MB in the beginning and 87.4MB in the end (delta: -13.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:40:12,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:40:12,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:40:12,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:40:12,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:40:12,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:40:12,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:40:12,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:40:12,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:40:12,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:40:12,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:40:12,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:40:12,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:40:12,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:40:12,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:40:12,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:40:12,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:40:12,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:40:12,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:40:12,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:40:12,850 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:40:12,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:40:12,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:40:12,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:40:12,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:40:12,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:40:12,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:40:12,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:40:12,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:40:12,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:40:12,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:40:12,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:40:12,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:40:12,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:40:12,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:40:12,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:40:12,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:40:12,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:40:12,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:40:12,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:40:12,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:40:12,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:40:12,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 00:40:12,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:40:12,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:40:12,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:40:12,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:40:12,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:40:12,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:40:12,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:40:12,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:40:12,901 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:40:12,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:40:12,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:40:12,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:40:12,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:40:12,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:40:12,903 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 00:40:12,903 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 00:40:12,903 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 00:40:12,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:40:12,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:40:12,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:40:12,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:40:12,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:40:12,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:40:12,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:40:12,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:40:12,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:40:12,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:40:12,905 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 00:40:12,905 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 00:40:12,905 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:40:12,905 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:40:12,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:40:12,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 00:40:12,906 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ff1aa7a746f87b9c1b788d1f6729b885abef13666f4b3b25250b45ff5a6786 [2022-07-14 00:40:13,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:40:13,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:40:13,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:40:13,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:40:13,169 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:40:13,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-14 00:40:13,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/809f40887/45f0c52555d540e7a4e98dc22f0b1b39/FLAG7203b527e [2022-07-14 00:40:13,763 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:40:13,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-14 00:40:13,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/809f40887/45f0c52555d540e7a4e98dc22f0b1b39/FLAG7203b527e [2022-07-14 00:40:13,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/809f40887/45f0c52555d540e7a4e98dc22f0b1b39 [2022-07-14 00:40:13,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:40:14,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:40:14,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:40:14,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:40:14,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:40:14,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:40:13" (1/1) ... [2022-07-14 00:40:14,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c24883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:14, skipping insertion in model container [2022-07-14 00:40:14,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:40:13" (1/1) ... [2022-07-14 00:40:14,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:40:14,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:40:14,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-14 00:40:15,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:40:15,033 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 00:40:15,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:40:15,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-14 00:40:15,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:40:15,240 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:40:15,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i[115668,115681] [2022-07-14 00:40:15,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:40:15,443 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:40:15,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15 WrapperNode [2022-07-14 00:40:15,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:40:15,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:40:15,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:40:15,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:40:15,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,573 INFO L137 Inliner]: procedures = 174, calls = 1221, calls flagged for inlining = 70, calls inlined = 70, statements flattened = 2890 [2022-07-14 00:40:15,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:40:15,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:40:15,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:40:15,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:40:15,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:40:15,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:40:15,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:40:15,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:40:15,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (1/1) ... [2022-07-14 00:40:15,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:40:15,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:40:15,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 00:40:15,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 00:40:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-07-14 00:40:15,858 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-07-14 00:40:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 00:40:15,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 00:40:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 00:40:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:40:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 00:40:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:40:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:40:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:40:15,859 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-07-14 00:40:15,859 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-07-14 00:40:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-07-14 00:40:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-07-14 00:40:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-07-14 00:40:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-07-14 00:40:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-07-14 00:40:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-07-14 00:40:15,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:40:15,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:40:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-14 00:40:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-14 00:40:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:40:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:40:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-07-14 00:40:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-07-14 00:40:15,861 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-07-14 00:40:15,861 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-07-14 00:40:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-14 00:40:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-14 00:40:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:40:15,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:40:15,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:40:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:40:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-07-14 00:40:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-07-14 00:40:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 00:40:15,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 00:40:15,863 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 00:40:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 00:40:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:40:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:40:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 00:40:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 00:40:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 00:40:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-07-14 00:40:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-07-14 00:40:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 00:40:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 00:40:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 00:40:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:40:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:40:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-07-14 00:40:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-07-14 00:40:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-14 00:40:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-14 00:40:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-07-14 00:40:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-07-14 00:40:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:40:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:40:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:40:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-07-14 00:40:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-07-14 00:40:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-07-14 00:40:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-07-14 00:40:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-07-14 00:40:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-07-14 00:40:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-07-14 00:40:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-07-14 00:40:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:40:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 00:40:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 00:40:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-07-14 00:40:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-07-14 00:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 00:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-07-14 00:40:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-07-14 00:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 00:40:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:40:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:40:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-07-14 00:40:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-07-14 00:40:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-14 00:40:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-14 00:40:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 00:40:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-14 00:40:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-14 00:40:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-07-14 00:40:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-07-14 00:40:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:40:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 00:40:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 00:40:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 00:40:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 00:40:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:40:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 00:40:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:40:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-07-14 00:40:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-07-14 00:40:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 00:40:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 00:40:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-07-14 00:40:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-07-14 00:40:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 00:40:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-14 00:40:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-14 00:40:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 00:40:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 00:40:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 00:40:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 00:40:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 00:40:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 00:40:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 00:40:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-07-14 00:40:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-07-14 00:40:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-07-14 00:40:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-07-14 00:40:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-07-14 00:40:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-07-14 00:40:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-07-14 00:40:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-07-14 00:40:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-07-14 00:40:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-07-14 00:40:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-07-14 00:40:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-07-14 00:40:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:40:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:40:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 00:40:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:40:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:40:16,414 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:40:16,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:40:16,616 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:40:52,068 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:40:52,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:40:52,092 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 00:40:52,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:40:52 BoogieIcfgContainer [2022-07-14 00:40:52,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:40:52,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:40:52,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:40:52,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:40:52,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:40:13" (1/3) ... [2022-07-14 00:40:52,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2346eba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:40:52, skipping insertion in model container [2022-07-14 00:40:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:40:15" (2/3) ... [2022-07-14 00:40:52,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2346eba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:40:52, skipping insertion in model container [2022-07-14 00:40:52,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:40:52" (3/3) ... [2022-07-14 00:40:52,103 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2022-07-14 00:40:52,112 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:40:52,112 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:40:52,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:40:52,196 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@66997fff, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39663da6 [2022-07-14 00:40:52,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:40:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 771 states have (on average 1.404669260700389) internal successors, (1083), 787 states have internal predecessors, (1083), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2022-07-14 00:40:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-14 00:40:52,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:40:52,220 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:40:52,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:40:52,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:40:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1678977370, now seen corresponding path program 1 times [2022-07-14 00:40:52,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:40:52,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70155497] [2022-07-14 00:40:52,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:40:52,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:40:52,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:40:52,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:40:52,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 00:40:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:40:53,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 00:40:53,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:40:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 00:40:53,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:40:53,328 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:40:53,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70155497] [2022-07-14 00:40:53,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70155497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:40:53,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:40:53,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 00:40:53,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500029077] [2022-07-14 00:40:53,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:40:53,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 00:40:53,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:40:53,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 00:40:53,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:40:53,352 INFO L87 Difference]: Start difference. First operand has 1040 states, 771 states have (on average 1.404669260700389) internal successors, (1083), 787 states have internal predecessors, (1083), 217 states have call successors, (217), 51 states have call predecessors, (217), 50 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-14 00:40:53,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:40:53,755 INFO L93 Difference]: Finished difference Result 2531 states and 3685 transitions. [2022-07-14 00:40:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 00:40:53,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-07-14 00:40:53,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:40:53,785 INFO L225 Difference]: With dead ends: 2531 [2022-07-14 00:40:53,785 INFO L226 Difference]: Without dead ends: 1464 [2022-07-14 00:40:53,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 00:40:53,802 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 641 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 3054 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:40:53,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 3054 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 00:40:53,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2022-07-14 00:40:53,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1462. [2022-07-14 00:40:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1098 states have (on average 1.3852459016393444) internal successors, (1521), 1110 states have internal predecessors, (1521), 286 states have call successors, (286), 78 states have call predecessors, (286), 77 states have return successors, (285), 284 states have call predecessors, (285), 285 states have call successors, (285) [2022-07-14 00:40:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2092 transitions. [2022-07-14 00:40:53,942 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2092 transitions. Word has length 58 [2022-07-14 00:40:53,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:40:53,942 INFO L495 AbstractCegarLoop]: Abstraction has 1462 states and 2092 transitions. [2022-07-14 00:40:53,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-14 00:40:53,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2092 transitions. [2022-07-14 00:40:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:40:53,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:40:53,952 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:40:53,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 00:40:54,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:40:54,188 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:40:54,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:40:54,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1282308759, now seen corresponding path program 1 times [2022-07-14 00:40:54,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:40:54,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188888090] [2022-07-14 00:40:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:40:54,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:40:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:40:54,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:40:54,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 00:41:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:41:00,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-14 00:41:00,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:41:00,702 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 217 treesize of output 169 [2022-07-14 00:41:00,719 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 169 treesize of output 121 [2022-07-14 00:41:00,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:41:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:41:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:41:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:41:00,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:41:00,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:41:28,325 WARN L233 SmtUtils]: Spent 27.55s on a formula simplification. DAG size of input: 150 DAG size of output: 68 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-07-14 00:41:28,327 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-14 00:41:28,327 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 121 treesize of output 304 [2022-07-14 00:41:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-14 00:41:56,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:41:56,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:41:56,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188888090] [2022-07-14 00:41:56,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188888090] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:41:56,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:41:56,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:41:56,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393665827] [2022-07-14 00:41:56,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:41:56,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:41:56,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:41:56,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:41:56,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:41:56,327 INFO L87 Difference]: Start difference. First operand 1462 states and 2092 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 00:41:58,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:00,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:04,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:06,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:09,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:10,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:15,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:18,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:20,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:22,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:24,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:28,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:30,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:37,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:39,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:44,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:46,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:49,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:53,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:54,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:57,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:42:59,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:43:01,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:43:03,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:43:13,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:43:13,158 INFO L93 Difference]: Finished difference Result 2928 states and 4188 transitions. [2022-07-14 00:43:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 00:43:13,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 116 [2022-07-14 00:43:13,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:43:13,179 INFO L225 Difference]: With dead ends: 2928 [2022-07-14 00:43:13,180 INFO L226 Difference]: Without dead ends: 1467 [2022-07-14 00:43:13,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:43:13,185 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 10 mSDsluCounter, 5064 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6548 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 451 IncrementalHoareTripleChecker+Unchecked, 76.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:43:13,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6548 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 447 Invalid, 14 Unknown, 451 Unchecked, 76.1s Time] [2022-07-14 00:43:13,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-07-14 00:43:13,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-07-14 00:43:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1102 states have (on average 1.383847549909256) internal successors, (1525), 1114 states have internal predecessors, (1525), 287 states have call successors, (287), 79 states have call predecessors, (287), 77 states have return successors, (286), 284 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-14 00:43:13,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2098 transitions. [2022-07-14 00:43:13,218 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2098 transitions. Word has length 116 [2022-07-14 00:43:13,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:43:13,228 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2098 transitions. [2022-07-14 00:43:13,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 00:43:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2098 transitions. [2022-07-14 00:43:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 00:43:13,246 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:43:13,246 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:43:13,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 00:43:13,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 00:43:13,468 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:43:13,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:43:13,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1422857369, now seen corresponding path program 1 times [2022-07-14 00:43:13,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 00:43:13,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073641367] [2022-07-14 00:43:13,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:43:13,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 00:43:13,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 00:43:13,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 00:43:13,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 00:43:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:43:35,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-14 00:43:35,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 00:43:36,245 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 217 treesize of output 169 [2022-07-14 00:43:36,266 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 169 treesize of output 121 [2022-07-14 00:43:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:43:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:43:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:43:36,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:43:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:43:36,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 00:44:06,769 WARN L233 SmtUtils]: Spent 30.42s on a formula simplification. DAG size of input: 150 DAG size of output: 68 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-07-14 00:44:06,770 INFO L356 Elim1Store]: treesize reduction 993, result has 20.4 percent of original size [2022-07-14 00:44:06,770 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 121 treesize of output 304 [2022-07-14 00:44:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-07-14 00:44:21,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 00:44:21,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 00:44:21,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073641367] [2022-07-14 00:44:21,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073641367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:44:21,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:44:21,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-14 00:44:21,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091517416] [2022-07-14 00:44:21,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:44:21,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-14 00:44:21,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 00:44:21,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 00:44:21,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:44:21,039 INFO L87 Difference]: Start difference. First operand 1467 states and 2098 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 4 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 00:44:23,126 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 [] [2022-07-14 00:44:25,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:44:26,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:44:30,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:44:32,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:44:34,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:44:36,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 00:44:46,472 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 []