./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt --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 1cb5831088be39301178979adb7a9db4d46c753f ............................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt --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 1cb5831088be39301178979adb7a9db4d46c753f ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:53:24,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:53:24,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:53:24,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:53:24,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:53:24,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:53:24,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:53:24,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:53:24,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:53:24,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:53:24,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:53:24,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:53:24,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:53:24,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:53:24,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:53:24,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:53:24,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:53:24,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:53:24,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:53:24,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:53:24,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:53:24,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:53:24,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:53:24,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:53:24,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:53:24,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:53:24,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:53:24,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:53:24,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:53:24,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:53:24,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:53:24,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:53:24,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:53:24,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:53:24,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:53:24,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:53:24,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:53:24,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:53:24,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:53:24,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:53:24,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:53:24,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:53:24,506 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:53:24,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:53:24,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:53:24,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:53:24,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:53:24,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:53:24,509 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:53:24,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:53:24,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:53:24,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:53:24,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:53:24,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:53:24,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:53:24,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:53:24,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:53:24,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:53:24,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:53:24,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:53:24,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:53:24,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:53:24,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:53:24,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:53:24,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:24,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:53:24,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:53:24,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:53:24,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:53:24,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:53:24,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:53:24,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:53:24,518 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb5831088be39301178979adb7a9db4d46c753f [2021-10-13 00:53:24,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:53:24,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:53:24,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:53:24,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:53:24,797 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:53:24,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-10-13 00:53:24,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/01ed89fa7/9af2eff0ad7d4b1b84e2bc8d0c128e77/FLAGe2d837882 [2021-10-13 00:53:25,409 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:53:25,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-10-13 00:53:25,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/01ed89fa7/9af2eff0ad7d4b1b84e2bc8d0c128e77/FLAGe2d837882 [2021-10-13 00:53:25,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/01ed89fa7/9af2eff0ad7d4b1b84e2bc8d0c128e77 [2021-10-13 00:53:25,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:53:25,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:53:25,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:25,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:53:25,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:53:25,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:25" (1/1) ... [2021-10-13 00:53:25,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322e9b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:25, skipping insertion in model container [2021-10-13 00:53:25,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:25" (1/1) ... [2021-10-13 00:53:25,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:53:25,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:26,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/sv-benchmarks/c/floats-esbmc-regression/isgreater.i[36284,36297] [2021-10-13 00:53:26,326 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:363) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) 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:2349) 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.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1753) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$47(StandardFunctionHandler.java:366) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) 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.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:1415) 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:1359) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2021-10-13 00:53:26,331 INFO L168 Benchmark]: Toolchain (without parser) took 639.62 ms. Allocated memory is still 98.6 MB. Free memory was 56.8 MB in the beginning and 72.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:26,332 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:53:26,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.23 ms. Allocated memory is still 98.6 MB. Free memory was 56.7 MB in the beginning and 72.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:26,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory is still 74.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 637.23 ms. Allocated memory is still 98.6 MB. Free memory was 56.7 MB in the beginning and 72.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:53:28,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:53:28,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:53:28,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:53:28,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:53:28,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:53:28,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:53:28,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:53:28,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:53:28,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:53:28,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:53:28,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:53:28,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:53:28,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:53:28,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:53:28,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:53:28,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:53:28,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:53:28,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:53:28,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:53:28,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:53:28,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:53:28,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:53:28,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:53:28,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:53:28,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:53:28,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:53:28,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:53:28,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:53:28,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:53:28,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:53:28,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:53:28,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:53:28,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:53:28,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:53:28,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:53:28,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:53:28,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:53:28,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:53:28,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:53:28,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:53:28,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:53:28,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:53:28,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:53:28,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:53:28,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:53:28,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:53:28,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:53:28,788 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:53:28,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:53:28,789 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:53:28,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:53:28,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:53:28,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:53:28,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:53:28,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:53:28,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:53:28,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:53:28,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:53:28,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:53:28,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:53:28,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:53:28,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:53:28,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:53:28,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:53:28,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:28,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:53:28,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:53:28,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:53:28,795 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:53:28,795 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:53:28,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:53:28,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:53:28,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:53:28,796 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb5831088be39301178979adb7a9db4d46c753f [2021-10-13 00:53:29,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:53:29,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:53:29,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:53:29,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:53:29,211 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:53:29,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-10-13 00:53:29,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/8077acb4d/23d42df9cd1b4f13b0ede9a95d281c57/FLAG4ed07aedc [2021-10-13 00:53:29,849 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:53:29,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-10-13 00:53:29,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/8077acb4d/23d42df9cd1b4f13b0ede9a95d281c57/FLAG4ed07aedc [2021-10-13 00:53:30,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/data/8077acb4d/23d42df9cd1b4f13b0ede9a95d281c57 [2021-10-13 00:53:30,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:53:30,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:53:30,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:30,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:53:30,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:53:30,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:30" (1/1) ... [2021-10-13 00:53:30,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fceccc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:30, skipping insertion in model container [2021-10-13 00:53:30,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:53:30" (1/1) ... [2021-10-13 00:53:30,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:53:30,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:53:30,786 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/sv-benchmarks/c/floats-esbmc-regression/isgreater.i[36284,36297] [2021-10-13 00:53:30,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:30,818 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:53:30,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/sv-benchmarks/c/floats-esbmc-regression/isgreater.i[36284,36297] [2021-10-13 00:53:30,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:53:31,087 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:53:31,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31 WrapperNode [2021-10-13 00:53:31,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:53:31,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:31,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:53:31,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:53:31,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:53:31,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:53:31,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:53:31,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:53:31,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:53:31,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:53:31,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:53:31,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:53:31,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (1/1) ... [2021-10-13 00:53:31,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:53:31,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:53:31,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:53:31,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:53:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:53:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:53:31,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:53:31,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:53:31,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:53:31,621 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-13 00:53:31,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:31 BoogieIcfgContainer [2021-10-13 00:53:31,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:53:31,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:53:31,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:53:31,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:53:31,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:53:30" (1/3) ... [2021-10-13 00:53:31,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447cb03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:31, skipping insertion in model container [2021-10-13 00:53:31,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:53:31" (2/3) ... [2021-10-13 00:53:31,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447cb03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:53:31, skipping insertion in model container [2021-10-13 00:53:31,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:31" (3/3) ... [2021-10-13 00:53:31,645 INFO L111 eAbstractionObserver]: Analyzing ICFG isgreater.i [2021-10-13 00:53:31,650 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:53:31,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-13 00:53:31,700 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:53:31,706 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:53:31,707 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-13 00:53:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 00:53:31,725 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:53:31,726 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 00:53:31,726 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 00:53:31,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:53:31,732 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-13 00:53:31,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:53:31,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519888753] [2021-10-13 00:53:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:53:31,744 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:53:31,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:53:31,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:53:31,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:53:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:53:31,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:53:31,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:53:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:32,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:53:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:53:32,092 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:53:32,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519888753] [2021-10-13 00:53:32,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519888753] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:53:32,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:53:32,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 00:53:32,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564939214] [2021-10-13 00:53:32,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:53:32,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:53:32,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:53:32,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:32,131 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:53:32,170 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2021-10-13 00:53:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:53:32,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-13 00:53:32,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:53:32,178 INFO L225 Difference]: With dead ends: 31 [2021-10-13 00:53:32,178 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:53:32,181 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:53:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:53:32,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:53:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:53:32,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-13 00:53:32,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:53:32,204 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:53:32,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:53:32,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:53:32,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:53:32,207 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:32,208 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:32,208 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:32,208 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:53:32,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:53:32,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:53:32,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:53:32,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:32,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:32,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:32,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:32,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:53:32,483 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:53:32,483 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,484 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,484 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,484 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,484 INFO L853 garLoopResultBuilder]: At program point L878-3(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 00:53:32,484 INFO L857 garLoopResultBuilder]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,485 INFO L857 garLoopResultBuilder]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,485 INFO L853 garLoopResultBuilder]: At program point L878-7(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 00:53:32,485 INFO L857 garLoopResultBuilder]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,485 INFO L857 garLoopResultBuilder]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,485 INFO L853 garLoopResultBuilder]: At program point L878-11(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 00:53:32,485 INFO L857 garLoopResultBuilder]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,486 INFO L857 garLoopResultBuilder]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,486 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:53:32,486 INFO L853 garLoopResultBuilder]: At program point L878-15(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 00:53:32,486 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:53:32,486 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:53:32,487 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,487 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-13 00:53:32,487 INFO L853 garLoopResultBuilder]: At program point L887(lines 880 888) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-10-13 00:53:32,491 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:53:32,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:32 BoogieIcfgContainer [2021-10-13 00:53:32,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:53:32,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:53:32,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:53:32,505 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:53:32,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:53:31" (3/4) ... [2021-10-13 00:53:32,509 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:53:32,519 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:53:32,519 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:53:32,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:53:32,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:53:32,556 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:53:32,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:53:32,558 INFO L168 Benchmark]: Toolchain (without parser) took 2394.33 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.0 MB in the beginning and 38.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:32,559 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:53:32,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 923.38 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 32.8 MB in the beginning and 37.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:32,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.77 ms. Allocated memory is still 71.3 MB. Free memory was 37.0 MB in the beginning and 34.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:32,560 INFO L168 Benchmark]: Boogie Preprocessor took 59.33 ms. Allocated memory is still 71.3 MB. Free memory was 34.4 MB in the beginning and 52.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:32,561 INFO L168 Benchmark]: RCFGBuilder took 411.24 ms. Allocated memory is still 71.3 MB. Free memory was 52.7 MB in the beginning and 43.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:32,561 INFO L168 Benchmark]: TraceAbstraction took 864.72 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 41.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:32,562 INFO L168 Benchmark]: Witness Printer took 52.15 ms. Allocated memory is still 71.3 MB. Free memory was 41.3 MB in the beginning and 38.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:53:32,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 923.38 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 32.8 MB in the beginning and 37.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.77 ms. Allocated memory is still 71.3 MB. Free memory was 37.0 MB in the beginning and 34.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.33 ms. Allocated memory is still 71.3 MB. Free memory was 34.4 MB in the beginning and 52.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 411.24 ms. Allocated memory is still 71.3 MB. Free memory was 52.7 MB in the beginning and 43.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 864.72 ms. Allocated memory is still 71.3 MB. Free memory was 42.7 MB in the beginning and 41.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. * Witness Printer took 52.15 ms. Allocated memory is still 71.3 MB. Free memory was 41.3 MB in the beginning and 38.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 793.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.6ms, AutomataDifference: 65.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 56.3ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 8 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 15 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 36.1ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 14.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 25.6ms SsaConstructionTime, 21.5ms SatisfiabilityAnalysisTime, 209.7ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 3 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:53:32,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668bb1f5-7f1e-4af9-bcd5-26197c5c395f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...