./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c --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_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN --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 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc --- 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 12:19:55,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:19:55,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:19:55,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:19:55,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:19:55,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:19:55,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:19:55,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:19:55,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:19:55,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:19:55,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:19:55,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:19:55,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:19:55,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:19:55,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:19:55,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:19:55,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:19:55,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:19:55,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:19:55,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:19:55,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:19:55,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:19:55,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:19:55,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:19:55,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:19:55,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:19:55,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:19:55,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:19:55,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:19:55,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:19:55,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:19:55,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:19:55,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:19:55,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:19:55,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:19:55,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:19:55,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:19:55,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:19:55,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:19:55,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:19:55,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:19:55,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:19:55,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:19:55,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:19:55,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:19:55,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:19:55,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:19:55,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:19:55,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:19:55,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:19:55,833 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:19:55,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:19:55,834 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:19:55,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:19:55,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:19:55,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:19:55,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:19:55,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:19:55,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:19:55,836 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:19:55,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:19:55,837 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:19:55,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:19:55,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:19:55,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:19:55,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:19:55,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:19:55,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:19:55,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:19:55,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:19:55,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:19:55,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:19:55,840 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:19:55,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:19:55,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:19:55,841 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_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc [2022-11-20 12:19:56,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:19:56,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:19:56,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:19:56,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:19:56,263 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:19:56,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2022-11-20 12:20:00,163 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:20:00,448 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:20:00,449 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2022-11-20 12:20:00,458 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data/e51bf43c9/7f32f718f15c4c20bdfaab11230f7191/FLAG19698296d [2022-11-20 12:20:00,477 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data/e51bf43c9/7f32f718f15c4c20bdfaab11230f7191 [2022-11-20 12:20:00,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:20:00,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:20:00,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:20:00,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:20:00,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:20:00,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2f8b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00, skipping insertion in model container [2022-11-20 12:20:00,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:20:00,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:20:00,749 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_91833f19-c4d2-44bb-b4da-7eac61d05daa/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2022-11-20 12:20:00,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:20:00,767 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:20:00,810 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_91833f19-c4d2-44bb-b4da-7eac61d05daa/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2022-11-20 12:20:00,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:20:00,830 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:20:00,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00 WrapperNode [2022-11-20 12:20:00,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:20:00,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:20:00,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:20:00,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:20:00,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,888 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-11-20 12:20:00,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:20:00,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:20:00,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:20:00,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:20:00,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:20:00,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:20:00,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:20:00,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:20:00,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (1/1) ... [2022-11-20 12:20:00,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:20:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:01,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:01,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:20:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:20:01,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:20:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:20:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:20:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 12:20:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-20 12:20:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:20:01,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:20:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:20:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-20 12:20:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:20:01,270 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:20:01,273 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:20:01,826 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:20:01,835 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:20:01,836 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-20 12:20:01,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:01 BoogieIcfgContainer [2022-11-20 12:20:01,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:20:01,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:20:01,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:20:01,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:20:01,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:20:00" (1/3) ... [2022-11-20 12:20:01,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdcb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:20:01, skipping insertion in model container [2022-11-20 12:20:01,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:00" (2/3) ... [2022-11-20 12:20:01,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdcb50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:20:01, skipping insertion in model container [2022-11-20 12:20:01,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:01" (3/3) ... [2022-11-20 12:20:01,852 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2022-11-20 12:20:01,879 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:20:01,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:20:01,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:20:01,955 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4411c74c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:20:01,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:20:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:20:01,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:01,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:01,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:01,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:01,979 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-11-20 12:20:01,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:01,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180306889] [2022-11-20 12:20:01,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:01,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:02,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:02,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180306889] [2022-11-20 12:20:02,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180306889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:02,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:02,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:20:02,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970253856] [2022-11-20 12:20:02,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:02,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:20:02,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:02,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:20:02,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:20:02,268 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:02,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:02,296 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-11-20 12:20:02,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:20:02,299 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 12:20:02,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:02,311 INFO L225 Difference]: With dead ends: 82 [2022-11-20 12:20:02,312 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 12:20:02,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:20:02,321 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:02,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:20:02,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 12:20:02,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 12:20:02,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-20 12:20:02,403 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-11-20 12:20:02,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:02,406 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 12:20:02,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-20 12:20:02,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:20:02,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:02,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:02,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:20:02,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:02,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-11-20 12:20:02,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:02,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844178302] [2022-11-20 12:20:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:02,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:20:02,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:20:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:20:02,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:20:02,729 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:20:02,731 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:20:02,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:20:02,740 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 12:20:02,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:20:02,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:20:02 BoogieIcfgContainer [2022-11-20 12:20:02,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:20:02,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:20:02,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:20:02,791 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:20:02,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:01" (3/4) ... [2022-11-20 12:20:02,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:20:02,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:20:02,798 INFO L158 Benchmark]: Toolchain (without parser) took 2314.47ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 116.2MB in the beginning and 139.4MB in the end (delta: -23.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-20 12:20:02,798 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.3MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:02,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.47ms. Allocated memory is still 146.8MB. Free memory was 116.2MB in the beginning and 104.2MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:20:02,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.32ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:20:02,801 INFO L158 Benchmark]: Boogie Preprocessor took 62.02ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:20:02,802 INFO L158 Benchmark]: RCFGBuilder took 886.70ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 82.7MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 12:20:02,802 INFO L158 Benchmark]: TraceAbstraction took 946.58ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 81.6MB in the beginning and 139.4MB in the end (delta: -57.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:02,803 INFO L158 Benchmark]: Witness Printer took 6.52ms. Allocated memory is still 180.4MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:02,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 71.3MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.47ms. Allocated memory is still 146.8MB. Free memory was 116.2MB in the beginning and 104.2MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.32ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.02ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 100.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 886.70ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 82.7MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 946.58ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 81.6MB in the beginning and 139.4MB in the end (delta: -57.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.52ms. Allocated memory is still 180.4MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 125]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXor at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L119] float x = -1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=6434062350, \old(y)=6434062348, one_fmod=1, x=6434062350, y=6434062348, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=6434062350, \old(y)=6434062348, hx=2139095040, hy=2139095041, one_fmod=1, sx=2139095040, x=6434062350, y=6434062348, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=6434062350, \old(y)=6434062348, hx=2139095040, hy=2139095041, one_fmod=1, sx=2139095040, x=6434062350, y=6434062348, Zero_fmod={4:0}] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [\old(x)=6434062349, \result=0, one_fmod=1, x=6434062349, Zero_fmod={4:0}] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, res=6434062349, x=6434062350, y=6434062348, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 57 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 12:20:02,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN --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 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc --- 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 12:20:06,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:20:06,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:20:06,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:20:06,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:20:06,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:20:06,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:20:06,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:20:06,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:20:06,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:20:06,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:20:06,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:20:06,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:20:06,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:20:06,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:20:06,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:20:06,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:20:06,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:20:06,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:20:06,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:20:06,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:20:06,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:20:06,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:20:06,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:20:06,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:20:06,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:20:06,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:20:06,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:20:06,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:20:06,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:20:06,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:20:06,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:20:06,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:20:06,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:20:06,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:20:06,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:20:06,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:20:06,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:20:06,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:20:06,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:20:06,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:20:06,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 12:20:06,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:20:06,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:20:06,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:20:06,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:20:06,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:20:06,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:20:06,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:20:06,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:20:06,277 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:20:06,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:20:06,279 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:20:06,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:20:06,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:20:06,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:20:06,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:20:06,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:20:06,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:20:06,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:20:06,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:20:06,282 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:20:06,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:20:06,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:20:06,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:20:06,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:20:06,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:20:06,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:20:06,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:20:06,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:20:06,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:20:06,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:20:06,286 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:20:06,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:20:06,287 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:20:06,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:20:06,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:20:06,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:20:06,288 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_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc [2022-11-20 12:20:06,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:20:06,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:20:06,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:20:06,803 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:20:06,804 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:20:06,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2022-11-20 12:20:10,727 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:20:11,028 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:20:11,034 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2022-11-20 12:20:11,048 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data/7ef93a1f8/28b82362889f42e08a963037846c5d3f/FLAGe01f6f469 [2022-11-20 12:20:11,067 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/data/7ef93a1f8/28b82362889f42e08a963037846c5d3f [2022-11-20 12:20:11,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:20:11,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:20:11,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:20:11,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:20:11,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:20:11,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c6e2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11, skipping insertion in model container [2022-11-20 12:20:11,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:20:11,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:20:11,379 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_91833f19-c4d2-44bb-b4da-7eac61d05daa/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2022-11-20 12:20:11,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:20:11,422 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:20:11,500 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_91833f19-c4d2-44bb-b4da-7eac61d05daa/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c[2726,2739] [2022-11-20 12:20:11,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:20:11,537 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:20:11,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11 WrapperNode [2022-11-20 12:20:11,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:20:11,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:20:11,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:20:11,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:20:11,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,621 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-11-20 12:20:11,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:20:11,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:20:11,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:20:11,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:20:11,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:20:11,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:20:11,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:20:11,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:20:11,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (1/1) ... [2022-11-20 12:20:11,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:20:11,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:11,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:11,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:20:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:20:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-20 12:20:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:20:11,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:20:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-20 12:20:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:20:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:20:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:20:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-20 12:20:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:20:11,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:20:12,022 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:20:12,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:20:14,826 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:20:14,835 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:20:14,836 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-20 12:20:14,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:14 BoogieIcfgContainer [2022-11-20 12:20:14,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:20:14,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:20:14,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:20:14,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:20:14,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:20:11" (1/3) ... [2022-11-20 12:20:14,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e8d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:20:14, skipping insertion in model container [2022-11-20 12:20:14,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:11" (2/3) ... [2022-11-20 12:20:14,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7e8d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:20:14, skipping insertion in model container [2022-11-20 12:20:14,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:14" (3/3) ... [2022-11-20 12:20:14,852 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2022-11-20 12:20:14,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:20:14,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:20:14,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:20:14,948 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54dc6917, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:20:14,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:20:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:14,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:20:14,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:14,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:14,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:14,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:14,972 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-11-20 12:20:14,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:20:14,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078882411] [2022-11-20 12:20:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:14,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:20:14,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:20:14,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:20:15,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:20:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:15,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 12:20:15,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:15,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:20:15,444 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:20:15,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078882411] [2022-11-20 12:20:15,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078882411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:15,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:15,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:20:15,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916507956] [2022-11-20 12:20:15,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:15,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:20:15,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:20:15,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:20:15,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:20:15,523 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:15,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:15,551 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-11-20 12:20:15,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:20:15,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 12:20:15,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:15,566 INFO L225 Difference]: With dead ends: 82 [2022-11-20 12:20:15,567 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 12:20:15,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:20:15,578 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:15,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:20:15,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 12:20:15,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 12:20:15,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-20 12:20:15,627 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-11-20 12:20:15,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:15,627 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 12:20:15,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-20 12:20:15,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:20:15,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:15,629 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:15,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:15,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:20:15,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:15,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-11-20 12:20:15,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:20:15,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850591377] [2022-11-20 12:20:15,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:15,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:20:15,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:20:15,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:20:15,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:20:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:16,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:20:16,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:19,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:20:19,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:20:19,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850591377] [2022-11-20 12:20:19,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850591377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:19,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:19,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:20:19,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151071481] [2022-11-20 12:20:19,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:19,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:20:19,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:20:19,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:20:19,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:20:19,907 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:23,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:23,909 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-11-20 12:20:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:20:23,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-20 12:20:23,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:23,912 INFO L225 Difference]: With dead ends: 45 [2022-11-20 12:20:23,913 INFO L226 Difference]: Without dead ends: 40 [2022-11-20 12:20:23,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:20:23,916 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 50 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:23,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 189 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 10 Unchecked, 1.4s Time] [2022-11-20 12:20:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-20 12:20:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-11-20 12:20:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-11-20 12:20:23,928 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2022-11-20 12:20:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:23,929 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2022-11-20 12:20:23,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-20 12:20:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:20:23,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:23,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:23,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:24,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:20:24,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:24,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:24,149 INFO L85 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2022-11-20 12:20:24,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:20:24,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289105684] [2022-11-20 12:20:24,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:24,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:20:24,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:20:24,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:20:24,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:20:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:24,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:20:24,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:24,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:20:24,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:20:24,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289105684] [2022-11-20 12:20:24,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289105684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:24,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:24,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:20:24,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347301304] [2022-11-20 12:20:24,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:24,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:20:24,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:20:24,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:20:24,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:20:24,594 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:24,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:24,599 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2022-11-20 12:20:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:20:24,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-20 12:20:24,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:24,600 INFO L225 Difference]: With dead ends: 39 [2022-11-20 12:20:24,600 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:20:24,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:20:24,602 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:24,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-11-20 12:20:24,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:20:24,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:20:24,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:20:24,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-20 12:20:24,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:24,606 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:20:24,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:20:24,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:20:24,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:20:24,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:24,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:20:24,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:20:26,402 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-11-20 12:20:26,402 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-11-20 12:20:26,403 INFO L895 garLoopResultBuilder]: At program point L27-1(lines 19 107) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_~hx~0#1|)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_fmod_float_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 12:20:26,403 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-11-20 12:20:26,403 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) [2022-11-20 12:20:26,403 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-20 12:20:26,403 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-20 12:20:26,404 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-11-20 12:20:26,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:20:26,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:20:26,404 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-11-20 12:20:26,404 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:20:26,405 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:20:26,405 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-11-20 12:20:26,405 INFO L902 garLoopResultBuilder]: At program point L129(lines 112 130) the Hoare annotation is: true [2022-11-20 12:20:26,405 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-11-20 12:20:26,405 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-11-20 12:20:26,406 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_fmod_float_~x#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 12:20:26,411 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-11-20 12:20:26,412 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:20:26,412 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_fmod_float_~x#1|) (= currentRoundingMode roundNearestTiesToEven) (exists ((|ULTIMATE.start_fmod_float_~y#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) |ULTIMATE.start_fmod_float_~y#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res#1|))) [2022-11-20 12:20:26,415 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-20 12:20:26,417 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:20:26,418 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-11-20 12:20:26,418 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-11-20 12:20:26,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2022-11-20 12:20:26,419 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-11-20 12:20:26,419 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-11-20 12:20:26,419 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-11-20 12:20:26,419 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-11-20 12:20:26,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:20:26,420 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-11-20 12:20:26,420 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 127) no Hoare annotation was computed. [2022-11-20 12:20:26,420 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-11-20 12:20:26,420 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:20:26,421 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-11-20 12:20:26,421 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-11-20 12:20:26,421 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-20 12:20:26,421 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-11-20 12:20:26,422 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:20:26,422 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-20 12:20:26,422 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-11-20 12:20:26,432 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 12:20:26,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:20:26,463 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,464 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,465 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,467 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,467 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,468 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,472 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,473 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,479 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,480 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,481 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,481 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,482 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,483 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,485 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,485 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,486 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,492 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:20:26,492 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,493 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,493 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,493 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:20:26,494 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,494 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,494 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,495 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,495 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,495 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:20:26,495 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,496 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,496 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,496 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:20:26,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:20:26 BoogieIcfgContainer [2022-11-20 12:20:26,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:20:26,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:20:26,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:20:26,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:20:26,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:14" (3/4) ... [2022-11-20 12:20:26,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:20:26,522 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 12:20:26,523 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:20:26,523 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:20:26,523 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:20:26,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-20 12:20:26,595 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:20:26,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:20:26,596 INFO L158 Benchmark]: Toolchain (without parser) took 15523.40ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 57.6MB in the beginning and 73.7MB in the end (delta: -16.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-20 12:20:26,597 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:26,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.39ms. Allocated memory is still 79.7MB. Free memory was 57.2MB in the beginning and 44.8MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:20:26,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.58ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:26,598 INFO L158 Benchmark]: Boogie Preprocessor took 98.30ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:20:26,598 INFO L158 Benchmark]: RCFGBuilder took 3112.11ms. Allocated memory is still 79.7MB. Free memory was 40.7MB in the beginning and 47.9MB in the end (delta: -7.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-20 12:20:26,599 INFO L158 Benchmark]: TraceAbstraction took 11655.70ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 47.2MB in the beginning and 76.5MB in the end (delta: -29.3MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-11-20 12:20:26,599 INFO L158 Benchmark]: Witness Printer took 97.32ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 73.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:20:26,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.39ms. Allocated memory is still 79.7MB. Free memory was 57.2MB in the beginning and 44.8MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.58ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 98.30ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3112.11ms. Allocated memory is still 79.7MB. Free memory was 40.7MB in the beginning and 47.9MB in the end (delta: -7.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11655.70ms. Allocated memory was 79.7MB in the beginning and 111.1MB in the end (delta: 31.5MB). Free memory was 47.2MB in the beginning and 76.5MB in the end (delta: -29.3MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 97.32ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 73.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 14 IncrementalHoareTripleChecker+Unchecked, 151 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 109 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 91 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 7 QuantifiedInterpolants, 226 SizeOfPredicates, 17 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-11-20 12:20:26,640 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,640 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,641 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,641 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,641 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,642 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant [2022-11-20 12:20:26,643 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,644 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,644 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,649 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,649 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:20:26,650 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2022-11-20 12:20:26,653 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,653 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,654 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,654 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,654 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,654 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:20:26,655 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,655 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,655 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,655 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:20:26,656 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,656 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,656 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,657 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,657 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,657 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:20:26,657 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,659 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,660 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:20:26,660 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] Derived loop invariant: (~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~y#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y#1), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y#1)) == \result) RESULT: Ultimate proved your program to be correct! [2022-11-20 12:20:26,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91833f19-c4d2-44bb-b4da-7eac61d05daa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE