./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d08fc2d6ebd0fe9f54c275d92a188dce79a39cfa2af5b0a975aba396c90c77f1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:21:53,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:21:53,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:21:53,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:21:53,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:21:53,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:21:53,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:21:53,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:21:53,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:21:53,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:21:53,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:21:53,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:21:53,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:21:53,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:21:53,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:21:53,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:21:53,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:21:53,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:21:53,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:21:53,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:21:53,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:21:53,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:21:53,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:21:53,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:21:53,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:21:53,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:21:53,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:21:53,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:21:53,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:21:53,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:21:53,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:21:53,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:21:53,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:21:53,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:21:53,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:21:53,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:21:53,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:21:53,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:21:53,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:21:53,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:21:53,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:21:53,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:21:53,870 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:21:53,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:21:53,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:21:53,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:21:53,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:21:53,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:21:53,873 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:21:53,873 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:21:53,873 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:21:53,873 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:21:53,874 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:21:53,874 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:21:53,874 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:21:53,874 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:21:53,875 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:21:53,875 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:21:53,875 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:21:53,875 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:21:53,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:21:53,876 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:21:53,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:21:53,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:21:53,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:21:53,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:21:53,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:21:53,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:21:53,878 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:21:53,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:21:53,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:21:53,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:21:53,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:21:53,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:21:53,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:21:53,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:21:53,880 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:21:53,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:21:53,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:21:53,881 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:21:53,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:21:53,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:21:53,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:21:53,882 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_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d08fc2d6ebd0fe9f54c275d92a188dce79a39cfa2af5b0a975aba396c90c77f1 [2022-11-20 20:21:54,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:21:54,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:21:54,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:21:54,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:21:54,186 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:21:54,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2022-11-20 20:21:57,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:21:57,733 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:21:57,734 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2022-11-20 20:21:57,751 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data/d8f9ed88e/275dfa7051c546ff9512793594d0ac74/FLAG42e1dd1ff [2022-11-20 20:21:57,772 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data/d8f9ed88e/275dfa7051c546ff9512793594d0ac74 [2022-11-20 20:21:57,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:21:57,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:21:57,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:21:57,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:21:57,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:21:57,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:21:57" (1/1) ... [2022-11-20 20:21:57,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22226b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:21:57, skipping insertion in model container [2022-11-20 20:21:57,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:21:57" (1/1) ... [2022-11-20 20:21:57,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:21:57,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:21:58,392 WARN L237 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_05ce494b-a12d-423a-a19e-2245bcc3ff35/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i[38163,38176] [2022-11-20 20:21:58,402 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:800) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2039) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) 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:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 20:21:58,407 INFO L158 Benchmark]: Toolchain (without parser) took 627.51ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 110.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 20:21:58,408 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:21:58,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.53ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 110.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 20:21:58,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 80.9MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.53ms. Allocated memory is still 161.5MB. Free memory was 123.4MB in the beginning and 110.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:800) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d08fc2d6ebd0fe9f54c275d92a188dce79a39cfa2af5b0a975aba396c90c77f1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:22:00,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:22:00,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:22:00,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:22:00,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:22:00,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:22:00,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:22:00,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:22:00,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:22:00,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:22:00,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:22:00,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:22:00,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:22:00,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:22:00,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:22:00,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:22:00,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:22:00,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:22:00,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:22:00,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:22:00,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:22:00,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:22:00,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:22:00,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:22:00,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:22:00,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:22:00,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:22:00,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:22:00,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:22:00,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:22:00,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:22:00,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:22:00,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:22:00,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:22:00,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:22:00,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:22:00,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:22:00,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:22:00,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:22:00,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:22:00,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:22:00,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-20 20:22:00,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:22:00,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:22:00,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:22:00,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:22:00,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:22:00,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:22:00,975 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:22:00,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:22:00,976 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:22:00,976 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:22:00,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:22:00,978 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:22:00,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:22:00,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:22:00,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:22:00,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:22:00,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:22:00,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:22:00,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:22:00,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 20:22:00,981 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 20:22:00,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 20:22:00,982 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:22:00,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:22:00,982 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:22:00,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:22:00,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:22:00,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 20:22:00,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:22:00,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:22:00,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:22:00,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:22:00,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:22:00,985 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 20:22:00,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 20:22:00,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:22:00,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:22:00,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 20:22:00,986 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_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d08fc2d6ebd0fe9f54c275d92a188dce79a39cfa2af5b0a975aba396c90c77f1 [2022-11-20 20:22:01,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:22:01,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:22:01,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:22:01,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:22:01,465 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:22:01,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2022-11-20 20:22:04,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:22:05,121 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:22:05,121 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2022-11-20 20:22:05,156 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data/d011448d0/cd48e34e35f2446180f1395e3cb0d38c/FLAGfebe72817 [2022-11-20 20:22:05,174 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ce494b-a12d-423a-a19e-2245bcc3ff35/bin/utaipan-6cKwYrpEi9/data/d011448d0/cd48e34e35f2446180f1395e3cb0d38c [2022-11-20 20:22:05,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:22:05,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:22:05,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:22:05,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:22:05,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:22:05,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:22:05" (1/1) ... [2022-11-20 20:22:05,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eb27e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:05, skipping insertion in model container [2022-11-20 20:22:05,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:22:05" (1/1) ... [2022-11-20 20:22:05,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:22:05,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:22:05,833 WARN L237 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_05ce494b-a12d-423a-a19e-2245bcc3ff35/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i[38163,38176] [2022-11-20 20:22:05,847 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: rint [2022-11-20 20:22:05,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dd56c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:22:05, skipping insertion in model container [2022-11-20 20:22:05,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:22:05,848 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 20:22:05,850 INFO L158 Benchmark]: Toolchain (without parser) took 669.67ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 43.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 20:22:05,850 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:22:05,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.17ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 43.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 20:22:05,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.17ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 43.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1017]: Unsupported Syntax Unsupported function from math.h: rint RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN