./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:28,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:28,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:11:28,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:28,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:28,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:28,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:28,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:28,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:28,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:28,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:28,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:28,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:28,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:28,813 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:28,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:28,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:28,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:11:28,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:28,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:11:28,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:28,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:28,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:28,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:28,822 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:28,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:11:28,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:28,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:28,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:28,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:28,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:28,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:28,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:28,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:28,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:28,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:28,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:28,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:28,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:28,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:28,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:28,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:28,828 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e [2024-10-31 22:11:29,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:29,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:29,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:29,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:29,210 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:29,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/float-benchs/nan_float.c Unable to find full path for "g++" [2024-10-31 22:11:31,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:31,328 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:31,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/sv-benchmarks/c/float-benchs/nan_float.c [2024-10-31 22:11:31,340 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data/baf71a3dd/b26b5d0986bb4ecc90691a86922fc4ca/FLAG4ab1737c0 [2024-10-31 22:11:31,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data/baf71a3dd/b26b5d0986bb4ecc90691a86922fc4ca [2024-10-31 22:11:31,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:31,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:31,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:31,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:31,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:31,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47aee00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31, skipping insertion in model container [2024-10-31 22:11:31,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:31,675 WARN L251 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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-10-31 22:11:31,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:31,701 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:31,719 WARN L251 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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-10-31 22:11:31,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:31,759 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:31,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31 WrapperNode [2024-10-31 22:11:31,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:31,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:31,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:31,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:31,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,794 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-10-31 22:11:31,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:31,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:31,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:31,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:31,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,827 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:11:31,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:31,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:31,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:31,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:31,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (1/1) ... [2024-10-31 22:11:31,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:31,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:31,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:31,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:11:31,995 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:31,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:32,127 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:32,129 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:32,140 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:32,141 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:11:32,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:32 BoogieIcfgContainer [2024-10-31 22:11:32,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:32,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:32,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:32,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:32,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:31" (1/3) ... [2024-10-31 22:11:32,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da39bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:32, skipping insertion in model container [2024-10-31 22:11:32,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:31" (2/3) ... [2024-10-31 22:11:32,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da39bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:32, skipping insertion in model container [2024-10-31 22:11:32,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:32" (3/3) ... [2024-10-31 22:11:32,157 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float.c [2024-10-31 22:11:32,207 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:32,207 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:11:32,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:32,287 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3e17d4ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:32,287 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:11:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-10-31 22:11:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:11:32,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:32,301 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:11:32,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:32,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-10-31 22:11:32,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:32,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804143423] [2024-10-31 22:11:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:32,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:11:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:11:32,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:11:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:11:32,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:11:32,479 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:11:32,480 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:11:32,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:11:32,487 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:11:32,501 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:11:32,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:11:32 BoogieIcfgContainer [2024-10-31 22:11:32,506 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:11:32,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:11:32,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:11:32,508 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:11:32,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:32" (3/4) ... [2024-10-31 22:11:32,511 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:11:32,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:11:32,514 INFO L158 Benchmark]: Toolchain (without parser) took 1145.83ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.0MB in the beginning and 120.9MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:32,515 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory was 110.5MB in the beginning and 110.3MB in the end (delta: 181.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:32,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.78ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.9MB in the beginning and 137.3MB in the end (delta: -63.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-10-31 22:11:32,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.00ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 136.4MB in the end (delta: 930.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:32,519 INFO L158 Benchmark]: Boogie Preprocessor took 44.67ms. Allocated memory is still 167.8MB. Free memory was 136.4MB in the beginning and 134.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:11:32,520 INFO L158 Benchmark]: RCFGBuilder took 300.74ms. Allocated memory is still 167.8MB. Free memory was 134.3MB in the beginning and 134.4MB in the end (delta: -156.9kB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-31 22:11:32,520 INFO L158 Benchmark]: TraceAbstraction took 362.43ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 120.9MB in the end (delta: 13.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:11:32,521 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:32,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 138.4MB. Free memory was 110.5MB in the beginning and 110.3MB in the end (delta: 181.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.78ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 73.9MB in the beginning and 137.3MB in the end (delta: -63.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.00ms. Allocated memory is still 167.8MB. Free memory was 137.3MB in the beginning and 136.4MB in the end (delta: 930.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.67ms. Allocated memory is still 167.8MB. Free memory was 136.4MB in the beginning and 134.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.74ms. Allocated memory is still 167.8MB. Free memory was 134.3MB in the beginning and 134.4MB in the end (delta: -156.9kB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * TraceAbstraction took 362.43ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 120.9MB in the end (delta: 13.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. 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: 8]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15. Possible FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [L15] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-10-31 22:11:32,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:35,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:35,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:11:35,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:35,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:35,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:35,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:35,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:35,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:35,188 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:35,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:35,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:35,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:35,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:35,193 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:35,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:35,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:35,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:11:35,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:11:35,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:35,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:35,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:35,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:35,199 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:11:35,199 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:11:35,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:35,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:11:35,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:11:35,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:35,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:35,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:35,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:35,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:35,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:35,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:35,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:35,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:35,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:35,205 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:11:35,205 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:11:35,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:35,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:35,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:35,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:35,208 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:11:35,209 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb81f35d75989f789f001a9f8dd91513a75388b6b9d4a313a70014eff54b698e [2024-10-31 22:11:35,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:35,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:35,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:35,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:35,615 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:35,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/float-benchs/nan_float.c Unable to find full path for "g++" [2024-10-31 22:11:37,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:37,881 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:37,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/sv-benchmarks/c/float-benchs/nan_float.c [2024-10-31 22:11:37,890 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data/f7cf64f52/e88c80d47a9e47efa69d19652b90f8f0/FLAGbf35c908b [2024-10-31 22:11:38,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/data/f7cf64f52/e88c80d47a9e47efa69d19652b90f8f0 [2024-10-31 22:11:38,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:38,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:38,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:38,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:38,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:38,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5dc218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38, skipping insertion in model container [2024-10-31 22:11:38,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:38,497 WARN L251 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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-10-31 22:11:38,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:38,528 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:38,541 WARN L251 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_06c016f1-f76f-4e13-a38b-6df51fa2d20d/sv-benchmarks/c/float-benchs/nan_float.c[434,447] [2024-10-31 22:11:38,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:38,566 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:38,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38 WrapperNode [2024-10-31 22:11:38,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:38,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:38,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:38,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:38,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,604 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2024-10-31 22:11:38,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:38,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:38,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:38,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:38,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,633 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:11:38,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:38,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:38,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:38,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:38,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:38,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:38,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:38,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:11:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:38,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:38,825 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:38,827 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:39,061 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:39,061 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:39,073 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:39,073 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:11:39,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:39 BoogieIcfgContainer [2024-10-31 22:11:39,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:39,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:39,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:39,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:39,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:38" (1/3) ... [2024-10-31 22:11:39,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8d4565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:39, skipping insertion in model container [2024-10-31 22:11:39,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38" (2/3) ... [2024-10-31 22:11:39,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8d4565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:39, skipping insertion in model container [2024-10-31 22:11:39,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:39" (3/3) ... [2024-10-31 22:11:39,089 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float.c [2024-10-31 22:11:39,112 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:39,113 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:11:39,183 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:39,196 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2fc1b34a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:39,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:11:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-10-31 22:11:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:11:39,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:39,210 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:11:39,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:39,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:39,222 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2024-10-31 22:11:39,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:11:39,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910561735] [2024-10-31 22:11:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:39,233 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 [2024-10-31 22:11:39,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:11:39,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:11:39,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:11:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:11:39,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:11:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:11:39,343 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-31 22:11:39,345 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:11:39,346 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:11:39,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 22:11:39,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:11:39,552 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:11:39,566 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:11:39,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:11:39 BoogieIcfgContainer [2024-10-31 22:11:39,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:11:39,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:11:39,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:11:39,570 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:11:39,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:39" (3/4) ... [2024-10-31 22:11:39,572 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-31 22:11:39,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:11:39,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:11:39,611 INFO L158 Benchmark]: Toolchain (without parser) took 1376.95ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 52.1MB in the beginning and 65.2MB in the end (delta: -13.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-10-31 22:11:39,612 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:39,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.62ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 39.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:11:39,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.15ms. Allocated memory is still 75.5MB. Free memory was 39.4MB in the beginning and 37.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:39,613 INFO L158 Benchmark]: Boogie Preprocessor took 52.61ms. Allocated memory is still 75.5MB. Free memory was 37.9MB in the beginning and 36.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:11:39,614 INFO L158 Benchmark]: RCFGBuilder took 415.10ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 36.2MB in the beginning and 79.0MB in the end (delta: -42.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-10-31 22:11:39,615 INFO L158 Benchmark]: TraceAbstraction took 489.38ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 66.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:11:39,615 INFO L158 Benchmark]: Witness Printer took 40.01ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 65.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:11:39,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.62ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 39.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.15ms. Allocated memory is still 75.5MB. Free memory was 39.4MB in the beginning and 37.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.61ms. Allocated memory is still 75.5MB. Free memory was 37.9MB in the beginning and 36.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.10ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 36.2MB in the beginning and 79.0MB in the end (delta: -42.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 489.38ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 66.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 40.01ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 65.2MB in the end (delta: 1.7MB). 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 - CounterExampleResult [Line: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L12] float x; [L13] x = __VERIFIER_nondet_float() [L15] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect! [2024-10-31 22:11:39,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c016f1-f76f-4e13-a38b-6df51fa2d20d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE