./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0876.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0876.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3 --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 731259d92485a33861608956954d819d871e2a16 ....................................................................................................................................................................... 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_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0876.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3 --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 731259d92485a33861608956954d819d871e2a16 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:31:05,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:31:05,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:31:05,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:31:05,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:31:05,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:31:05,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:31:05,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:31:05,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:31:05,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:31:05,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:31:05,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:31:05,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:31:05,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:31:05,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:31:05,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:31:05,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:31:05,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:31:05,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:31:05,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:31:05,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:31:05,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:31:05,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:31:05,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:31:05,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:31:05,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:31:05,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:31:05,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:31:05,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:31:05,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:31:05,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:31:05,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:31:05,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:31:05,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:31:05,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:31:05,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:31:05,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:31:05,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:31:05,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:31:05,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:31:05,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:31:05,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:31:05,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:31:05,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:31:05,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:31:05,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:31:05,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:31:05,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:31:05,826 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:31:05,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:31:05,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:31:05,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:31:05,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:31:05,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:31:05,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:31:05,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:31:05,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:31:05,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:31:05,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:31:05,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:31:05,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:31:05,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:31:05,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:31:05,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:31:05,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:31:05,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:31:05,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:31:05,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:31:05,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:31:05,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:31:05,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:31:05,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:31:05,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:31:05,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:31:05,838 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_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 731259d92485a33861608956954d819d871e2a16 [2021-10-15 19:31:06,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:31:06,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:31:06,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:31:06,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:31:06,168 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:31:06,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2021-10-15 19:31:06,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/7d07d6200/f4bf7aaa1d7f40d6b35832068ab4c5a0/FLAG125f04535 [2021-10-15 19:31:06,918 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:31:06,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2021-10-15 19:31:06,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/7d07d6200/f4bf7aaa1d7f40d6b35832068ab4c5a0/FLAG125f04535 [2021-10-15 19:31:07,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/7d07d6200/f4bf7aaa1d7f40d6b35832068ab4c5a0 [2021-10-15 19:31:07,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:31:07,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:31:07,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:31:07,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:31:07,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:31:07,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:31:07" (1/1) ... [2021-10-15 19:31:07,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4daabdd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:07, skipping insertion in model container [2021-10-15 19:31:07,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:31:07" (1/1) ... [2021-10-15 19:31:07,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:31:07,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:31:07,614 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1978) 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:1607) 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: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.visit(CHandler.java:1584) 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:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-15 19:31:07,620 INFO L168 Benchmark]: Toolchain (without parser) took 393.95 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 64.2 MB in the beginning and 101.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:07,621 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:31:07,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.14 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 64.2 MB in the beginning and 101.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:07,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 54.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.14 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 64.2 MB in the beginning and 101.5 MB in the end (delta: -37.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:31:10,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:31:10,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:31:10,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:31:10,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:31:10,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:31:10,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:31:10,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:31:10,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:31:10,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:31:10,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:31:10,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:31:10,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:31:10,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:31:10,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:31:10,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:31:10,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:31:10,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:31:10,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:31:10,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:31:10,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:31:10,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:31:10,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:31:10,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:31:10,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:31:10,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:31:10,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:31:10,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:31:10,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:31:10,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:31:10,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:31:10,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:31:10,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:31:10,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:31:10,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:31:10,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:31:10,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:31:10,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:31:10,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:31:10,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:31:10,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:31:10,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:31:10,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:31:10,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:31:10,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:31:10,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:31:10,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:31:10,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:31:10,444 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:31:10,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:31:10,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:31:10,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:31:10,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:31:10,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:31:10,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:31:10,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:31:10,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:31:10,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:31:10,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:31:10,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:31:10,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:31:10,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:31:10,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:31:10,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:31:10,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:31:10,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:31:10,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:31:10,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:31:10,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:31:10,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:31:10,450 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:31:10,450 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:31:10,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:31:10,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:31:10,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:31:10,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:31:10,451 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_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 731259d92485a33861608956954d819d871e2a16 [2021-10-15 19:31:10,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:31:10,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:31:10,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:31:10,908 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:31:10,909 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:31:10,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2021-10-15 19:31:11,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/d0e7e8578/160d9fbdced54c70b0596862eb0a7f9c/FLAG7f4900ae2 [2021-10-15 19:31:11,641 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:31:11,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/sv-benchmarks/c/float-newlib/float_req_bl_0876.c [2021-10-15 19:31:11,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/d0e7e8578/160d9fbdced54c70b0596862eb0a7f9c/FLAG7f4900ae2 [2021-10-15 19:31:11,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/data/d0e7e8578/160d9fbdced54c70b0596862eb0a7f9c [2021-10-15 19:31:11,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:31:11,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:31:11,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:31:11,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:31:11,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:31:11,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:31:11" (1/1) ... [2021-10-15 19:31:11,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2540db50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:11, skipping insertion in model container [2021-10-15 19:31:11,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:31:11" (1/1) ... [2021-10-15 19:31:11,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:31:12,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:31:12,476 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_cf17ff0a-502f-4e28-9518-76c66d0b047d/sv-benchmarks/c/float-newlib/float_req_bl_0876.c[14082,14095] [2021-10-15 19:31:12,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:31:12,514 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:31:12,661 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_cf17ff0a-502f-4e28-9518-76c66d0b047d/sv-benchmarks/c/float-newlib/float_req_bl_0876.c[14082,14095] [2021-10-15 19:31:12,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:31:12,683 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:31:12,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12 WrapperNode [2021-10-15 19:31:12,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:31:12,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:31:12,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:31:12,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:31:12,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:31:12,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:31:12,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:31:12,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:31:12,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:12,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:31:12,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:31:12,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:31:12,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:31:12,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (1/1) ... [2021-10-15 19:31:13,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:31:13,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:31:13,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:31:13,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:31:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-15 19:31:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:31:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:31:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-15 19:31:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:31:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:31:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:31:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-15 19:31:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:31:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:31:40,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:31:40,569 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-10-15 19:31:40,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:31:40 BoogieIcfgContainer [2021-10-15 19:31:40,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:31:40,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:31:40,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:31:40,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:31:40,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:31:11" (1/3) ... [2021-10-15 19:31:40,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bfa557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:31:40, skipping insertion in model container [2021-10-15 19:31:40,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:31:12" (2/3) ... [2021-10-15 19:31:40,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bfa557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:31:40, skipping insertion in model container [2021-10-15 19:31:40,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:31:40" (3/3) ... [2021-10-15 19:31:40,586 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0876.c [2021-10-15 19:31:40,593 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:31:40,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:31:40,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:31:40,681 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=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 [2021-10-15 19:31:40,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:31:40,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 361 transitions, 722 flow [2021-10-15 19:31:40,846 INFO L129 PetriNetUnfolder]: 152/361 cut-off events. [2021-10-15 19:31:40,846 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:31:40,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 361 events. 152/361 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 703 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-10-15 19:31:40,853 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 361 transitions, 722 flow [2021-10-15 19:31:40,875 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 206 places, 355 transitions, 710 flow [2021-10-15 19:31:40,888 INFO L129 PetriNetUnfolder]: 18/49 cut-off events. [2021-10-15 19:31:40,888 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:31:40,889 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:31:40,889 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:31:40,890 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:31:40,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:31:40,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1485602190, now seen corresponding path program 1 times [2021-10-15 19:31:40,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:31:40,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734826223] [2021-10-15 19:31:40,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:31:40,914 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:31:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:31:40,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:31:40,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:31:41,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:31:41,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:31:41,308 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-15 19:31:41,314 INFO L168 Benchmark]: Toolchain (without parser) took 29403.51 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.1 MB in the beginning and 72.0 MB in the end (delta: -20.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:41,315 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 69.2 MB in the beginning and 69.1 MB in the end (delta: 79.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:31:41,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.33 ms. Allocated memory is still 88.1 MB. Free memory was 51.9 MB in the beginning and 62.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:41,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.97 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 57.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:41,318 INFO L168 Benchmark]: Boogie Preprocessor took 170.96 ms. Allocated memory is still 88.1 MB. Free memory was 57.6 MB in the beginning and 52.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:41,319 INFO L168 Benchmark]: RCFGBuilder took 27575.58 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.7 MB in the beginning and 92.2 MB in the end (delta: -39.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:41,320 INFO L168 Benchmark]: TraceAbstraction took 735.02 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 72.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-15 19:31:41,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 69.2 MB in the beginning and 69.1 MB in the end (delta: 79.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 771.33 ms. Allocated memory is still 88.1 MB. Free memory was 51.9 MB in the beginning and 62.6 MB in the end (delta: -10.7 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.97 ms. Allocated memory is still 88.1 MB. Free memory was 62.6 MB in the beginning and 57.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 170.96 ms. Allocated memory is still 88.1 MB. Free memory was 57.6 MB in the beginning and 52.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27575.58 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 52.7 MB in the beginning and 92.2 MB in the end (delta: -39.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 735.02 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 72.0 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 19:31:41,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf17ff0a-502f-4e28-9518-76c66d0b047d/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...