./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD --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 082839b113e645749e4f971b7de0b7472e2f288decd6e09a4d0069d4314902d8 ....................................................................................................................................................................... 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_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD --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 082839b113e645749e4f971b7de0b7472e2f288decd6e09a4d0069d4314902d8 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:20:09,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:20:09,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:20:09,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:20:09,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:20:09,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:20:09,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:20:09,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:20:09,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:20:09,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:20:09,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:20:09,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:20:09,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:20:09,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:20:09,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:20:09,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:20:09,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:20:09,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:20:09,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:20:09,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:20:09,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:20:09,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:20:09,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:20:09,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:20:09,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:20:09,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:20:09,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:20:09,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:20:09,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:20:09,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:20:09,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:20:09,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:20:09,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:20:09,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:20:09,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:20:09,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:20:09,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:20:09,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:20:09,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:20:09,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:20:09,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:20:09,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:20:10,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:20:10,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:20:10,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:20:10,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:20:10,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:20:10,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:20:10,051 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:20:10,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:20:10,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:20:10,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:20:10,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:20:10,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:20:10,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:20:10,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:20:10,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:20:10,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:20:10,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:20:10,054 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:20:10,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:20:10,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:20:10,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:20:10,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:20:10,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:20:10,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:20:10,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:20:10,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:20:10,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:20:10,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:20:10,056 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:20:10,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:20:10,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:20:10,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:20:10,059 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_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082839b113e645749e4f971b7de0b7472e2f288decd6e09a4d0069d4314902d8 [2021-10-28 23:20:10,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:20:10,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:20:10,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:20:10,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:20:10,443 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:20:10,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2021-10-28 23:20:10,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/f5dc359bb/e13729c2abca40c7a25e422a8e80f1b4/FLAG7356a2b8a [2021-10-28 23:20:11,239 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:20:11,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2021-10-28 23:20:11,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/f5dc359bb/e13729c2abca40c7a25e422a8e80f1b4/FLAG7356a2b8a [2021-10-28 23:20:11,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/f5dc359bb/e13729c2abca40c7a25e422a8e80f1b4 [2021-10-28 23:20:11,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:20:11,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:20:11,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:11,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:20:11,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:20:11,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:11" (1/1) ... [2021-10-28 23:20:11,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289b686d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:11, skipping insertion in model container [2021-10-28 23:20:11,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:11" (1/1) ... [2021-10-28 23:20:11,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:20:11,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:20:12,163 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_582f311c-c8d7-4867-8997-f58c510230f4/sv-benchmarks/c/floats-esbmc-regression/fdim.i[36279,36292] [2021-10-28 23:20:12,171 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: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1702) 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:1414) 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:712) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) 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:1421) 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:1365) 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:1436) 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:3224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2305) 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) [2021-10-28 23:20:12,177 INFO L168 Benchmark]: Toolchain (without parser) took 694.48 ms. Allocated memory is still 90.2 MB. Free memory was 58.4 MB in the beginning and 46.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:12,177 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 58.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:12,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.51 ms. Allocated memory is still 90.2 MB. Free memory was 58.2 MB in the beginning and 46.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:12,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 90.2 MB. Free memory is still 58.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.51 ms. Allocated memory is still 90.2 MB. Free memory was 58.2 MB in the beginning and 46.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 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: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:20:14,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:20:14,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:20:14,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:20:14,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:20:14,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:20:14,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:20:14,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:20:14,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:20:14,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:20:14,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:20:14,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:20:14,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:20:14,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:20:14,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:20:14,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:20:14,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:20:14,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:20:14,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:20:14,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:20:14,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:20:14,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:20:14,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:20:14,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:20:14,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:20:14,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:20:14,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:20:14,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:20:14,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:20:14,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:20:14,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:20:14,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:20:14,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:20:14,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:20:14,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:20:14,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:20:14,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:20:14,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:20:14,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:20:14,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:20:14,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:20:14,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:20:14,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:20:14,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:20:14,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:20:14,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:20:14,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:20:14,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:20:14,928 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:20:14,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:20:14,928 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:20:14,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:20:14,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:20:14,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:20:14,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:20:14,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:20:14,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:20:14,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:20:14,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:20:14,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:20:14,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:20:14,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:20:14,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:20:14,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:20:14,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:20:14,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:20:14,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:20:14,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:20:14,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:20:14,935 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:20:14,935 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:20:14,935 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:20:14,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:20:14,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:20:14,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:20:14,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:20:14,937 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_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082839b113e645749e4f971b7de0b7472e2f288decd6e09a4d0069d4314902d8 [2021-10-28 23:20:15,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:20:15,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:20:15,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:20:15,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:20:15,373 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:20:15,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2021-10-28 23:20:15,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/bfe2ec136/712e65d404784844889ccf06d5772421/FLAG197fc5110 [2021-10-28 23:20:16,149 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:20:16,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2021-10-28 23:20:16,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/bfe2ec136/712e65d404784844889ccf06d5772421/FLAG197fc5110 [2021-10-28 23:20:16,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/data/bfe2ec136/712e65d404784844889ccf06d5772421 [2021-10-28 23:20:16,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:20:16,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:20:16,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:16,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:20:16,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:20:16,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:16" (1/1) ... [2021-10-28 23:20:16,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f633c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:16, skipping insertion in model container [2021-10-28 23:20:16,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:16" (1/1) ... [2021-10-28 23:20:16,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:20:16,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:20:17,105 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_582f311c-c8d7-4867-8997-f58c510230f4/sv-benchmarks/c/floats-esbmc-regression/fdim.i[36279,36292] [2021-10-28 23:20:17,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:17,130 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:20:17,160 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_582f311c-c8d7-4867-8997-f58c510230f4/sv-benchmarks/c/floats-esbmc-regression/fdim.i[36279,36292] [2021-10-28 23:20:17,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:17,328 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:20:17,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17 WrapperNode [2021-10-28 23:20:17,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:17,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:17,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:20:17,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:20:17,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:17,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:20:17,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:20:17,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:20:17,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:20:17,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:20:17,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:20:17,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:20:17,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:20:17,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:17,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:17,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:20:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:20:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:20:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:20:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:20:18,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:20:18,054 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 23:20:18,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:18 BoogieIcfgContainer [2021-10-28 23:20:18,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:20:18,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:20:18,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:20:18,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:20:18,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:20:16" (1/3) ... [2021-10-28 23:20:18,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05e9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:20:18, skipping insertion in model container [2021-10-28 23:20:18,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (2/3) ... [2021-10-28 23:20:18,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05e9c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:20:18, skipping insertion in model container [2021-10-28 23:20:18,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:18" (3/3) ... [2021-10-28 23:20:18,073 INFO L111 eAbstractionObserver]: Analyzing ICFG fdim.i [2021-10-28 23:20:18,083 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:20:18,083 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-28 23:20:18,135 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:20:18,142 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:20:18,142 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-28 23:20:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 23 states have internal predecessors, (28), 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) [2021-10-28 23:20:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 23:20:18,162 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:18,163 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 23:20:18,164 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:20:18,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:18,170 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-28 23:20:18,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:20:18,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016413380] [2021-10-28 23:20:18,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:18,185 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:20:18,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:20:18,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:20:18,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:20:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:18,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:20:18,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:19,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:20:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:19,203 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:20:19,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016413380] [2021-10-28 23:20:19,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016413380] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:19,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:19,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-28 23:20:19,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259822316] [2021-10-28 23:20:19,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:20:19,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:20:19,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:20:19,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:20:19,229 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 23 states have internal predecessors, (28), 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) [2021-10-28 23:20:19,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:19,378 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-10-28 23:20:19,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:20:19,380 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 [2021-10-28 23:20:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:19,388 INFO L225 Difference]: With dead ends: 37 [2021-10-28 23:20:19,389 INFO L226 Difference]: Without dead ends: 13 [2021-10-28 23:20:19,391 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:20:19,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-10-28 23:20:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-28 23:20:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 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) [2021-10-28 23:20:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2021-10-28 23:20:19,425 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 4 [2021-10-28 23:20:19,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:19,425 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2021-10-28 23:20:19,425 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) [2021-10-28 23:20:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2021-10-28 23:20:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 23:20:19,426 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:19,427 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:19,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:19,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:20:19,641 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-28 23:20:19,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -565231631, now seen corresponding path program 1 times [2021-10-28 23:20:19,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:20:19,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701135438] [2021-10-28 23:20:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:19,644 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:20:19,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:20:19,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:20:19,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 23:20:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:19,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:20:19,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:20,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:20:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:22,348 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:20:22,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701135438] [2021-10-28 23:20:22,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701135438] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:22,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:22,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-28 23:20:22,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235293728] [2021-10-28 23:20:22,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:20:22,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:20:22,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:20:22,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:20:22,352 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-10-28 23:20:22,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:22,439 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2021-10-28 23:20:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:20:22,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 12 [2021-10-28 23:20:22,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:22,446 INFO L225 Difference]: With dead ends: 13 [2021-10-28 23:20:22,446 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:20:22,447 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:20:22,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:20:22,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:20:22,448 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) [2021-10-28 23:20:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:20:22,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-10-28 23:20:22,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:22,448 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:22,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-10-28 23:20:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:20:22,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:20:22,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,452 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:22,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:20:22,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:20:22,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,759 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,759 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,759 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,760 INFO L853 garLoopResultBuilder]: At program point L878-3(line 878) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:20:22,760 INFO L857 garLoopResultBuilder]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,760 INFO L857 garLoopResultBuilder]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,761 INFO L853 garLoopResultBuilder]: At program point L878-7(line 878) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:20:22,761 INFO L857 garLoopResultBuilder]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,761 INFO L857 garLoopResultBuilder]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,762 INFO L853 garLoopResultBuilder]: At program point L878-11(line 878) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:20:22,762 INFO L857 garLoopResultBuilder]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,762 INFO L857 garLoopResultBuilder]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,762 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:20:22,763 INFO L853 garLoopResultBuilder]: At program point L878-15(line 878) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 23:20:22,763 INFO L857 garLoopResultBuilder]: For program point L878-16(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,763 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,763 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:20:22,764 INFO L857 garLoopResultBuilder]: For program point L878-17(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,764 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:20:22,764 INFO L853 garLoopResultBuilder]: At program point L878-19(lines 1 888) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2021-10-28 23:20:22,765 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,765 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:20:22,765 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,766 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-10-28 23:20:22,769 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:20:22,771 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:20:22,780 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,784 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,786 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,786 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,787 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,787 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,788 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,788 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:20:22 BoogieIcfgContainer [2021-10-28 23:20:22,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:20:22,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:20:22,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:20:22,790 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:20:22,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:18" (3/4) ... [2021-10-28 23:20:22,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:20:22,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-28 23:20:22,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:20:22,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:20:22,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:20:22,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:20:22,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:20:22,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:20:22,851 INFO L168 Benchmark]: Toolchain (without parser) took 6469.78 ms. Allocated memory was 62.9 MB in the beginning and 107.0 MB in the end (delta: 44.0 MB). Free memory was 41.3 MB in the beginning and 72.2 MB in the end (delta: -30.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:22,852 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:22,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 945.12 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.1 MB in the beginning and 52.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:22,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.99 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 49.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:22,854 INFO L168 Benchmark]: Boogie Preprocessor took 42.36 ms. Allocated memory is still 86.0 MB. Free memory was 49.9 MB in the beginning and 48.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:22,855 INFO L168 Benchmark]: RCFGBuilder took 611.30 ms. Allocated memory is still 86.0 MB. Free memory was 48.5 MB in the beginning and 62.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:22,860 INFO L168 Benchmark]: TraceAbstraction took 4730.68 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 74.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:22,861 INFO L168 Benchmark]: Witness Printer took 59.58 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 72.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:22,864 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 62.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 945.12 ms. Allocated memory was 62.9 MB in the beginning and 86.0 MB in the end (delta: 23.1 MB). Free memory was 41.1 MB in the beginning and 52.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.99 ms. Allocated memory is still 86.0 MB. Free memory was 52.7 MB in the beginning and 49.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.36 ms. Allocated memory is still 86.0 MB. Free memory was 49.9 MB in the beginning and 48.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 611.30 ms. Allocated memory is still 86.0 MB. Free memory was 48.5 MB in the beginning and 62.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4730.68 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 74.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Witness Printer took 59.58 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 72.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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 - 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, 24 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 18 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 32 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 5 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 5 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant [2021-10-28 23:20:22,888 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,888 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: cond == 1bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - InvariantResult [Line: 878]: Loop Invariant [2021-10-28 23:20:22,890 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,891 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: cond == 1bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 878]: Loop Invariant [2021-10-28 23:20:22,891 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,892 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: cond == 1bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 878]: Loop Invariant [2021-10-28 23:20:22,893 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 23:20:22,895 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: cond == 1bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-10-28 23:20:22,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582f311c-c8d7-4867-8997-f58c510230f4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...