./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc 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/floats-cbmc-regression/float-no-simp4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 7c5678568630a4199d94fed33c5301bef19d60be ......................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/floats-cbmc-regression/float-no-simp4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 7c5678568630a4199d94fed33c5301bef19d60be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:55:03,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:55:03,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:55:03,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:55:03,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:55:03,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:55:03,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:55:03,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:55:03,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:55:03,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:55:03,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:55:03,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:55:03,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:55:03,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:55:03,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:55:03,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:55:03,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:55:03,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:55:03,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:55:03,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:55:03,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:55:03,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:55:03,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:55:03,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:55:03,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:55:03,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:55:03,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:55:03,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:55:03,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:55:03,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:55:03,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:55:03,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:55:03,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:55:03,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:55:03,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:55:03,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:55:03,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:55:03,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:55:03,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:55:03,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:55:03,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:55:03,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 21:55:03,358 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:55:03,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:55:03,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:55:03,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:55:03,363 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:55:03,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:55:03,364 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:55:03,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 21:55:03,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:55:03,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:55:03,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:55:03,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:55:03,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:55:03,366 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:55:03,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:55:03,367 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:55:03,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:55:03,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:55:03,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:55:03,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:55:03,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:55:03,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:55:03,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:55:03,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:55:03,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:55:03,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 21:55:03,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 21:55:03,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:55:03,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:55:03,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-10-24 21:55:03,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:55:03,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:55:03,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:55:03,919 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:55:03,920 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:55:03,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-10-24 21:55:04,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78518b31f/c328935ce5924ff48338359839501166/FLAG3d26f99a0 [2020-10-24 21:55:04,723 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:55:04,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-10-24 21:55:04,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78518b31f/c328935ce5924ff48338359839501166/FLAG3d26f99a0 [2020-10-24 21:55:05,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78518b31f/c328935ce5924ff48338359839501166 [2020-10-24 21:55:05,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:55:05,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:55:05,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:55:05,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:55:05,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:55:05,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:55:05" (1/1) ... [2020-10-24 21:55:05,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc68206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:05, skipping insertion in model container [2020-10-24 21:55:05,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:55:05" (1/1) ... [2020-10-24 21:55:05,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:55:05,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:55:05,852 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 21:55:05,864 INFO L168 Benchmark]: Toolchain (without parser) took 840.34 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 26.2 MB in the beginning and 32.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:05,866 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 25.2 MB in the beginning and 25.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:55:05,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.48 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 25.6 MB in the beginning and 32.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:05,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 25.2 MB in the beginning and 25.1 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 829.48 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 25.6 MB in the beginning and 32.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:55:08,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:55:08,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:55:08,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:55:08,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:55:08,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:55:08,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:55:08,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:55:08,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:55:08,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:55:08,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:55:08,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:55:08,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:55:08,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:55:08,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:55:08,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:55:08,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:55:08,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:55:08,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:55:08,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:55:08,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:55:08,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:55:08,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:55:08,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:55:08,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:55:08,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:55:08,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:55:08,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:55:08,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:55:08,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:55:08,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:55:08,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:55:08,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:55:08,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:55:08,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:55:08,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:55:08,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:55:08,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:55:08,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:55:08,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:55:08,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:55:08,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 21:55:08,494 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:55:08,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:55:08,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:55:08,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:55:08,501 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:55:08,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:55:08,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:55:08,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:55:08,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:55:08,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:55:08,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:55:08,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:55:08,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 21:55:08,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 21:55:08,505 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:55:08,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:55:08,506 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:55:08,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:55:08,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:55:08,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:55:08,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:55:08,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:55:08,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:55:08,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:55:08,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:55:08,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:55:08,509 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 21:55:08,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 21:55:08,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:55:08,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:55:08,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 21:55:08,510 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-10-24 21:55:09,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:55:09,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:55:09,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:55:09,062 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:55:09,063 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:55:09,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-10-24 21:55:09,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43d100ba/f96f908ada7d46f4861dba8a5fd57cb0/FLAG62c540a2c [2020-10-24 21:55:09,922 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:55:09,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-10-24 21:55:09,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43d100ba/f96f908ada7d46f4861dba8a5fd57cb0/FLAG62c540a2c [2020-10-24 21:55:10,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43d100ba/f96f908ada7d46f4861dba8a5fd57cb0 [2020-10-24 21:55:10,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:55:10,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:55:10,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:55:10,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:55:10,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:55:10,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:55:10" (1/1) ... [2020-10-24 21:55:10,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db76789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:10, skipping insertion in model container [2020-10-24 21:55:10,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:55:10" (1/1) ... [2020-10-24 21:55:10,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:55:10,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:55:10,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:55:11,024 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:55:11,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:55:11,446 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:55:11,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11 WrapperNode [2020-10-24 21:55:11,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:55:11,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:55:11,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:55:11,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:55:11,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:55:11,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:55:11,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:55:11,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:55:11,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... [2020-10-24 21:55:11,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:55:11,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:55:11,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:55:11,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:55:11,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:55:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 21:55:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:55:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:55:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:55:12,339 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:55:12,340 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-24 21:55:12,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:55:12 BoogieIcfgContainer [2020-10-24 21:55:12,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:55:12,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:55:12,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:55:12,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:55:12,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:55:10" (1/3) ... [2020-10-24 21:55:12,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542ad717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:55:12, skipping insertion in model container [2020-10-24 21:55:12,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:55:11" (2/3) ... [2020-10-24 21:55:12,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542ad717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:55:12, skipping insertion in model container [2020-10-24 21:55:12,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:55:12" (3/3) ... [2020-10-24 21:55:12,352 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2020-10-24 21:55:12,367 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:55:12,375 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-10-24 21:55:12,391 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-10-24 21:55:12,421 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:55:12,421 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:55:12,421 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:55:12,422 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:55:12,422 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:55:12,422 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:55:12,422 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:55:12,423 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:55:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-10-24 21:55:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-24 21:55:12,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:55:12,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-24 21:55:12,464 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:55:12,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:55:12,473 INFO L82 PathProgramCache]: Analyzing trace with hash 889510762, now seen corresponding path program 1 times [2020-10-24 21:55:12,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:55:12,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330370439] [2020-10-24 21:55:12,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 21:55:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:55:12,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 21:55:12,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:55:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:12,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:55:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:12,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330370439] [2020-10-24 21:55:12,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:55:12,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 21:55:12,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740737359] [2020-10-24 21:55:12,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 21:55:12,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:55:12,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 21:55:12,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 21:55:12,665 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-10-24 21:55:12,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:55:12,689 INFO L93 Difference]: Finished difference Result 124 states and 175 transitions. [2020-10-24 21:55:12,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 21:55:12,691 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-24 21:55:12,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:55:12,700 INFO L225 Difference]: With dead ends: 124 [2020-10-24 21:55:12,700 INFO L226 Difference]: Without dead ends: 55 [2020-10-24 21:55:12,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 21:55:12,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-24 21:55:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-24 21:55:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-24 21:55:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 54 transitions. [2020-10-24 21:55:12,746 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 54 transitions. Word has length 6 [2020-10-24 21:55:12,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:55:12,747 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 54 transitions. [2020-10-24 21:55:12,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 21:55:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-10-24 21:55:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-24 21:55:12,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:55:12,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-24 21:55:12,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 21:55:12,965 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:55:12,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:55:12,967 INFO L82 PathProgramCache]: Analyzing trace with hash 889570344, now seen corresponding path program 1 times [2020-10-24 21:55:12,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:55:12,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832597459] [2020-10-24 21:55:12,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 21:55:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:55:13,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:55:13,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:55:13,538 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 11 [2020-10-24 21:55:13,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:55:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:13,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:55:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:13,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832597459] [2020-10-24 21:55:13,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:55:13,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 21:55:13,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018881160] [2020-10-24 21:55:13,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 21:55:13,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:55:13,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 21:55:13,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:55:13,619 INFO L87 Difference]: Start difference. First operand 55 states and 54 transitions. Second operand 6 states. [2020-10-24 21:55:13,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:55:13,748 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-10-24 21:55:13,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 21:55:13,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-10-24 21:55:13,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:55:13,751 INFO L225 Difference]: With dead ends: 55 [2020-10-24 21:55:13,751 INFO L226 Difference]: Without dead ends: 46 [2020-10-24 21:55:13,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-24 21:55:13,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-24 21:55:13,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-24 21:55:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-24 21:55:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2020-10-24 21:55:13,759 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 6 [2020-10-24 21:55:13,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:55:13,767 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2020-10-24 21:55:13,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 21:55:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2020-10-24 21:55:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 21:55:13,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:55:13,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:55:13,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 21:55:13,986 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:55:13,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:55:13,988 INFO L82 PathProgramCache]: Analyzing trace with hash -325797734, now seen corresponding path program 1 times [2020-10-24 21:55:13,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:55:13,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6462214] [2020-10-24 21:55:13,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-24 21:55:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:55:14,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:55:14,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:55:14,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:55:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:14,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:55:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:14,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6462214] [2020-10-24 21:55:14,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:55:14,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 21:55:14,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218276914] [2020-10-24 21:55:14,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 21:55:14,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:55:14,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 21:55:14,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:55:14,155 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 6 states. [2020-10-24 21:55:14,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:55:14,227 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2020-10-24 21:55:14,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 21:55:14,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-10-24 21:55:14,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:55:14,229 INFO L225 Difference]: With dead ends: 46 [2020-10-24 21:55:14,229 INFO L226 Difference]: Without dead ends: 40 [2020-10-24 21:55:14,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-24 21:55:14,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-24 21:55:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-24 21:55:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-24 21:55:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2020-10-24 21:55:14,235 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 11 [2020-10-24 21:55:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:55:14,236 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2020-10-24 21:55:14,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 21:55:14,236 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2020-10-24 21:55:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 21:55:14,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:55:14,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:55:14,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 21:55:14,450 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:55:14,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:55:14,452 INFO L82 PathProgramCache]: Analyzing trace with hash 386947499, now seen corresponding path program 1 times [2020-10-24 21:55:14,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:55:14,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286692327] [2020-10-24 21:55:14,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-24 21:55:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:55:14,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:55:14,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:55:14,557 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:55:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:14,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:55:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:14,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286692327] [2020-10-24 21:55:14,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:55:14,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 21:55:14,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642701325] [2020-10-24 21:55:14,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 21:55:14,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:55:14,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 21:55:14,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:55:14,698 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 6 states. [2020-10-24 21:55:14,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:55:14,795 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-10-24 21:55:14,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 21:55:14,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-24 21:55:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:55:14,797 INFO L225 Difference]: With dead ends: 40 [2020-10-24 21:55:14,797 INFO L226 Difference]: Without dead ends: 31 [2020-10-24 21:55:14,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-24 21:55:14,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-24 21:55:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-24 21:55:14,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-24 21:55:14,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2020-10-24 21:55:14,802 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 15 [2020-10-24 21:55:14,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:55:14,803 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2020-10-24 21:55:14,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 21:55:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2020-10-24 21:55:14,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-24 21:55:14,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:55:14,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:55:15,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-24 21:55:15,018 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:55:15,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:55:15,018 INFO L82 PathProgramCache]: Analyzing trace with hash -411429104, now seen corresponding path program 1 times [2020-10-24 21:55:15,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:55:15,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859402379] [2020-10-24 21:55:15,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-24 21:55:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:55:15,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:55:15,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:55:15,141 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:55:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:15,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:55:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:15,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859402379] [2020-10-24 21:55:15,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:55:15,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-24 21:55:15,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804737508] [2020-10-24 21:55:15,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 21:55:15,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:55:15,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 21:55:15,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:55:15,217 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 6 states. [2020-10-24 21:55:15,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:55:15,345 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-10-24 21:55:15,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 21:55:15,346 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-24 21:55:15,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:55:15,347 INFO L225 Difference]: With dead ends: 31 [2020-10-24 21:55:15,347 INFO L226 Difference]: Without dead ends: 25 [2020-10-24 21:55:15,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-24 21:55:15,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-24 21:55:15,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-24 21:55:15,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-24 21:55:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-10-24 21:55:15,352 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-10-24 21:55:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:55:15,352 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-10-24 21:55:15,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 21:55:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-10-24 21:55:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-24 21:55:15,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:55:15,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:55:15,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-24 21:55:15,565 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:55:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:55:15,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1254054753, now seen corresponding path program 1 times [2020-10-24 21:55:15,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:55:15,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987791798] [2020-10-24 21:55:15,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-24 21:55:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:55:15,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:55:15,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:55:15,726 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:55:15,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 21:55:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:15,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:55:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:55:15,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987791798] [2020-10-24 21:55:15,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:55:15,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-10-24 21:55:15,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991152723] [2020-10-24 21:55:15,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 21:55:15,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:55:15,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 21:55:15,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 21:55:15,786 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 5 states. [2020-10-24 21:55:15,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:55:15,901 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-10-24 21:55:15,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 21:55:15,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-24 21:55:15,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:55:15,902 INFO L225 Difference]: With dead ends: 25 [2020-10-24 21:55:15,902 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 21:55:15,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:55:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 21:55:15,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 21:55:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 21:55:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 21:55:15,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-24 21:55:15,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:55:15,904 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 21:55:15,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 21:55:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 21:55:15,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 21:55:16,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-24 21:55:16,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 21:55:16,112 INFO L274 CegarLoopResult]: For program point L2-1(line 981) no Hoare annotation was computed. [2020-10-24 21:55:16,112 INFO L274 CegarLoopResult]: For program point L2-2(line 988) no Hoare annotation was computed. [2020-10-24 21:55:16,112 INFO L274 CegarLoopResult]: For program point L2-3(line 997) no Hoare annotation was computed. [2020-10-24 21:55:16,112 INFO L274 CegarLoopResult]: For program point L2-4(line 1004) no Hoare annotation was computed. [2020-10-24 21:55:16,112 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-10-24 21:55:16,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point L988-1(lines 968 1005) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point L997-1(lines 968 1005) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point L964-2(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point L964-3(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,114 INFO L274 CegarLoopResult]: For program point L964-4(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-6(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-7(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-8(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L989-1(lines 968 1005) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-10(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-11(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-12(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-14(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,115 INFO L274 CegarLoopResult]: For program point L964-15(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L981-1(lines 968 1005) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L964-16(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L964-18(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L964-19(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L964-20(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L964-22(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L964-23(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L973-1(lines 968 1005) no Hoare annotation was computed. [2020-10-24 21:55:16,116 INFO L274 CegarLoopResult]: For program point L964-24(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-26(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-27(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-28(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-30(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-31(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L998-1(line 998) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-32(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-34(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-35(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,117 INFO L274 CegarLoopResult]: For program point L964-36(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point L964-38(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point L990-1(line 990) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point L964-39(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point L964-40(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point L964-42(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point L964-43(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,118 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point L974-1(lines 968 1005) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point L975-1(line 975) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point L967(lines 967 1005) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,119 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-10-24 21:55:16,128 INFO L274 CegarLoopResult]: For program point L2(line 973) no Hoare annotation was computed. [2020-10-24 21:55:16,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:55:16 BoogieIcfgContainer [2020-10-24 21:55:16,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 21:55:16,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 21:55:16,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 21:55:16,137 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 21:55:16,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:55:12" (3/4) ... [2020-10-24 21:55:16,142 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 21:55:16,168 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-24 21:55:16,169 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 21:55:16,169 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 21:55:16,170 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 21:55:16,285 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 21:55:16,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 21:55:16,288 INFO L168 Benchmark]: Toolchain (without parser) took 6118.97 ms. Allocated memory was 46.1 MB in the beginning and 88.1 MB in the end (delta: 41.9 MB). Free memory was 21.3 MB in the beginning and 60.6 MB in the end (delta: -39.2 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:16,289 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:55:16,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1269.49 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 20.7 MB in the beginning and 27.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:16,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.06 ms. Allocated memory is still 60.8 MB. Free memory was 27.5 MB in the beginning and 24.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:16,291 INFO L168 Benchmark]: Boogie Preprocessor took 39.68 ms. Allocated memory is still 60.8 MB. Free memory was 24.3 MB in the beginning and 22.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:16,291 INFO L168 Benchmark]: RCFGBuilder took 774.15 ms. Allocated memory is still 60.8 MB. Free memory was 22.8 MB in the beginning and 28.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:16,292 INFO L168 Benchmark]: TraceAbstraction took 3791.78 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 27.5 MB in the beginning and 65.6 MB in the end (delta: -38.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:16,292 INFO L168 Benchmark]: Witness Printer took 149.49 ms. Allocated memory is still 88.1 MB. Free memory was 65.6 MB in the beginning and 60.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:16,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1269.49 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 20.7 MB in the beginning and 27.5 MB in the end (delta: -6.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.06 ms. Allocated memory is still 60.8 MB. Free memory was 27.5 MB in the beginning and 24.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.68 ms. Allocated memory is still 60.8 MB. Free memory was 24.3 MB in the beginning and 22.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 774.15 ms. Allocated memory is still 60.8 MB. Free memory was 22.8 MB in the beginning and 28.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3791.78 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 27.5 MB in the beginning and 65.6 MB in the end (delta: -38.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.1 GB. * Witness Printer took 149.49 ms. Allocated memory is still 88.1 MB. Free memory was 65.6 MB in the beginning and 60.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 201 SDtfs, 114 SDslu, 202 SDs, 0 SdLazy, 89 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 4890 SizeOfPredicates, 15 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...