./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa --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 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:56:00,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:56:00,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:56:00,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:56:00,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:56:00,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:56:00,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:56:00,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:56:00,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:56:00,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:56:00,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:56:00,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:56:00,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:56:00,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:56:00,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:56:00,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:56:00,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:56:00,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:56:00,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:56:00,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:56:00,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:56:00,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:56:00,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:56:00,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:56:00,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:56:00,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:56:00,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:56:00,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:56:00,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:56:00,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:56:00,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:56:00,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:56:00,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:56:00,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:56:00,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:56:00,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:56:00,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:56:00,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:56:00,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:56:00,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:56:00,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:56:00,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:56:00,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:56:00,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:56:00,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:56:00,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:56:00,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:56:00,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:56:00,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:56:00,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:56:00,839 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:56:00,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:56:00,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:56:00,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:56:00,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:56:00,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:56:00,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:56:00,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:56:00,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:56:00,840 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:56:00,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:56:00,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:56:00,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:56:00,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:56:00,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:56:00,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:56:00,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:56:00,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:56:00,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:56:00,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:56:00,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:56:00,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:56:00,843 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:56:00,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:56:00,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:56:00,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:56:00,843 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_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2021-12-06 18:56:01,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:56:01,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:56:01,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:56:01,058 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:56:01,058 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:56:01,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-12-06 18:56:01,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/4cc0f4108/16153f95cae74a09a029dfd1c2c1fa63/FLAG17e6be6a6 [2021-12-06 18:56:01,493 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:56:01,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-12-06 18:56:01,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/4cc0f4108/16153f95cae74a09a029dfd1c2c1fa63/FLAG17e6be6a6 [2021-12-06 18:56:01,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/4cc0f4108/16153f95cae74a09a029dfd1c2c1fa63 [2021-12-06 18:56:01,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:56:01,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:56:01,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:56:01,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:56:01,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:56:01,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:01" (1/1) ... [2021-12-06 18:56:01,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4c79b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:01, skipping insertion in model container [2021-12-06 18:56:01,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:01" (1/1) ... [2021-12-06 18:56:01,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:56:01,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:56:02,103 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:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1434) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2021) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1633) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) 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.visit(CHandler.java:1610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) 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) [2021-12-06 18:56:02,106 INFO L158 Benchmark]: Toolchain (without parser) took 221.28ms. Allocated memory is still 111.1MB. Free memory was 74.3MB in the beginning and 85.6MB in the end (delta: -11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:56:02,106 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:56:02,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.54ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 85.6MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:56:02,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.54ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 85.6MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa --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 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:56:03,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:56:03,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:56:03,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:56:03,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:56:03,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:56:03,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:56:03,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:56:03,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:56:03,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:56:03,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:56:03,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:56:03,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:56:03,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:56:03,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:56:03,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:56:03,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:56:03,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:56:03,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:56:03,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:56:03,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:56:03,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:56:03,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:56:03,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:56:03,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:56:03,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:56:03,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:56:03,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:56:03,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:56:03,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:56:03,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:56:03,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:56:03,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:56:03,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:56:03,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:56:03,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:56:03,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:56:03,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:56:03,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:56:03,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:56:03,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:56:03,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 18:56:03,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:56:03,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:56:03,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:56:03,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:56:03,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:56:03,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:56:03,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:56:03,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:56:03,566 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:56:03,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:56:03,566 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:56:03,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:56:03,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:56:03,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:56:03,568 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:56:03,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:56:03,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:56:03,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:56:03,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:56:03,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:56:03,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:56:03,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:56:03,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:56:03,569 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 18:56:03,569 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 18:56:03,569 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:56:03,569 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:56:03,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:56:03,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:56:03,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 18:56:03,570 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_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c405523cac8e5f9cc9432e526f7ec96d6e0134414c1ccc7da7da81ae6ee7579 [2021-12-06 18:56:03,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:56:03,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:56:03,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:56:03,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:56:03,828 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:56:03,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-12-06 18:56:03,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/973b055af/d59728e97f9940869813856cbec823bf/FLAG46684a157 [2021-12-06 18:56:04,317 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:56:04,317 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/sv-benchmarks/c/float-newlib/double_req_bl_0874.c [2021-12-06 18:56:04,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/973b055af/d59728e97f9940869813856cbec823bf/FLAG46684a157 [2021-12-06 18:56:04,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/data/973b055af/d59728e97f9940869813856cbec823bf [2021-12-06 18:56:04,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:56:04,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:56:04,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:56:04,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:56:04,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:56:04,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04, skipping insertion in model container [2021-12-06 18:56:04,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:56:04,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:56:04,597 WARN L230 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_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2021-12-06 18:56:04,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:56:04,613 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:56:04,702 WARN L230 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_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/sv-benchmarks/c/float-newlib/double_req_bl_0874.c[14411,14424] [2021-12-06 18:56:04,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:56:04,723 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:56:04,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04 WrapperNode [2021-12-06 18:56:04,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:56:04,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:56:04,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:56:04,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:56:04,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,794 INFO L137 Inliner]: procedures = 25, calls = 165, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 757 [2021-12-06 18:56:04,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:56:04,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:56:04,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:56:04,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:56:04,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:56:04,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:56:04,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:56:04,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:56:04,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (1/1) ... [2021-12-06 18:56:04,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:56:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:04,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:04,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:56:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:56:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-06 18:56:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-06 18:56:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-06 18:56:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-06 18:56:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 18:56:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:56:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-06 18:56:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-06 18:56:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-06 18:56:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 18:56:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:56:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:56:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 18:56:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:56:05,043 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:56:05,044 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:56:53,338 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:56:53,346 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:56:53,346 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-12-06 18:56:53,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:56:53 BoogieIcfgContainer [2021-12-06 18:56:53,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:56:53,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:56:53,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:56:53,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:56:53,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:56:04" (1/3) ... [2021-12-06 18:56:53,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa8cc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:56:53, skipping insertion in model container [2021-12-06 18:56:53,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:04" (2/3) ... [2021-12-06 18:56:53,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa8cc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:56:53, skipping insertion in model container [2021-12-06 18:56:53,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:56:53" (3/3) ... [2021-12-06 18:56:53,354 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0874.c [2021-12-06 18:56:53,358 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:56:53,359 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:56:53,398 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:56:53,403 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 [2021-12-06 18:56:53,403 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:56:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 203 states have (on average 1.6995073891625616) internal successors, (345), 204 states have internal predecessors, (345), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 18:56:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-06 18:56:53,424 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:56:53,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:53,425 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:56:53,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:53,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1061139955, now seen corresponding path program 1 times [2021-12-06 18:56:53,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:56:53,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662430584] [2021-12-06 18:56:53,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:53,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:56:53,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:56:53,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:56:53,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 18:56:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:53,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 18:56:53,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:56:53,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:56:53,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:56:53,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662430584] [2021-12-06 18:56:53,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662430584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:53,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:53,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:56:53,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356394175] [2021-12-06 18:56:53,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:53,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:56:53,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:56:53,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:56:53,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:56:53,970 INFO L87 Difference]: Start difference. First operand has 212 states, 203 states have (on average 1.6995073891625616) internal successors, (345), 204 states have internal predecessors, (345), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:56:54,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:56:54,002 INFO L93 Difference]: Finished difference Result 421 states and 711 transitions. [2021-12-06 18:56:54,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:56:54,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-12-06 18:56:54,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:56:54,011 INFO L225 Difference]: With dead ends: 421 [2021-12-06 18:56:54,011 INFO L226 Difference]: Without dead ends: 208 [2021-12-06 18:56:54,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:56:54,017 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:56:54,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:56:54,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-12-06 18:56:54,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-12-06 18:56:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.395) internal successors, (279), 200 states have internal predecessors, (279), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 18:56:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 289 transitions. [2021-12-06 18:56:54,060 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 289 transitions. Word has length 20 [2021-12-06 18:56:54,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:56:54,061 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 289 transitions. [2021-12-06 18:56:54,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:56:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 289 transitions. [2021-12-06 18:56:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 18:56:54,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:56:54,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:54,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:54,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:56:54,266 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:56:54,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1299029151, now seen corresponding path program 1 times [2021-12-06 18:56:54,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:56:54,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80933171] [2021-12-06 18:56:54,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:54,274 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:56:54,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:56:54,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:56:54,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 18:56:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:54,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:56:54,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:56:56,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:56:56,515 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:56:56,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80933171] [2021-12-06 18:56:56,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80933171] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:56:56,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:56:56,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:56:56,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238354407] [2021-12-06 18:56:56,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:56:56,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:56:56,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:56:56,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:56:56,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:56:56,518 INFO L87 Difference]: Start difference. First operand 208 states and 289 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:56:56,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:56:56,545 INFO L93 Difference]: Finished difference Result 216 states and 296 transitions. [2021-12-06 18:56:56,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:56:56,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-06 18:56:56,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:56:56,548 INFO L225 Difference]: With dead ends: 216 [2021-12-06 18:56:56,548 INFO L226 Difference]: Without dead ends: 208 [2021-12-06 18:56:56,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:56:56,549 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:56:56,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1374 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 45 Unchecked, 0.0s Time] [2021-12-06 18:56:56,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-12-06 18:56:56,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-12-06 18:56:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.39) internal successors, (278), 200 states have internal predecessors, (278), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 18:56:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 288 transitions. [2021-12-06 18:56:56,561 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 288 transitions. Word has length 25 [2021-12-06 18:56:56,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:56:56,562 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 288 transitions. [2021-12-06 18:56:56,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:56:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 288 transitions. [2021-12-06 18:56:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 18:56:56,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:56:56,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:56,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 18:56:56,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:56:56,766 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:56:56,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:56,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1796740572, now seen corresponding path program 1 times [2021-12-06 18:56:56,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:56:56,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550273296] [2021-12-06 18:56:56,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:56,780 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:56:56,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:56:56,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:56:56,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 18:56:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:57,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 18:56:57,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:57,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 18:57:02,924 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:57:02,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 24 [2021-12-06 18:57:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:57:30,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:57:30,783 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 18:57:30,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550273296] [2021-12-06 18:57:30,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550273296] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:57:30,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:57:30,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 18:57:30,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543707746] [2021-12-06 18:57:30,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:57:30,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 18:57:30,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 18:57:30,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 18:57:30,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=66, Unknown=7, NotChecked=0, Total=90 [2021-12-06 18:57:30,787 INFO L87 Difference]: Start difference. First operand 208 states and 288 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:57:33,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 18:57:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:57:34,033 INFO L93 Difference]: Finished difference Result 216 states and 295 transitions. [2021-12-06 18:57:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 18:57:34,034 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-12-06 18:57:34,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:57:34,036 INFO L225 Difference]: With dead ends: 216 [2021-12-06 18:57:34,036 INFO L226 Difference]: Without dead ends: 208 [2021-12-06 18:57:34,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.9s TimeCoverageRelationStatistics Valid=17, Invalid=66, Unknown=7, NotChecked=0, Total=90 [2021-12-06 18:57:34,038 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 0 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 182 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:57:34,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2302 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 182 Unchecked, 3.2s Time] [2021-12-06 18:57:34,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-12-06 18:57:34,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-12-06 18:57:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.385) internal successors, (277), 200 states have internal predecessors, (277), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 18:57:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 287 transitions. [2021-12-06 18:57:34,051 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 287 transitions. Word has length 27 [2021-12-06 18:57:34,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:57:34,052 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 287 transitions. [2021-12-06 18:57:34,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 18:57:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 287 transitions. [2021-12-06 18:57:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 18:57:34,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:57:34,053 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:57:34,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-06 18:57:34,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 18:57:34,254 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:57:34,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:57:34,255 INFO L85 PathProgramCache]: Analyzing trace with hash 987393946, now seen corresponding path program 1 times [2021-12-06 18:57:34,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 18:57:34,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952183972] [2021-12-06 18:57:34,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:57:34,256 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 18:57:34,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 18:57:34,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 18:57:34,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16af1a-381a-44f5-80a0-f0a8e530b1a5/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 18:57:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:57:34,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-06 18:57:34,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:57:35,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 18:57:41,992 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-12-06 18:57:41,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 61 [2021-12-06 18:57:55,870 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 18:57:55,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 93 [2021-12-06 18:57:55,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-12-06 18:57:59,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47