./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_double_range.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1 --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 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:59:54,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:59:54,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:59:54,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:59:54,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:59:55,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:59:55,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:59:55,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:59:55,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:59:55,013 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:59:55,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:59:55,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:59:55,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:59:55,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:59:55,014 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:59:55,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:59:55,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:59:55,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:59:55,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:59:55,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:59:55,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:59:55,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:59:55,015 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:59:55,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:59:55,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:59:55,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:59:55,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:59:55,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:59:55,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:59:55,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:59:55,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:59:55,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:59:55,017 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1 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 -> 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 [2024-12-02 06:59:55,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:59:55,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:59:55,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:59:55,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:59:55,362 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:59:55,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/float-benchs/nan_double_range.c [2024-12-02 06:59:58,654 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/9c7416e75/2834cf3a025a40458baa8a8f2f099218/FLAGccdf37619 [2024-12-02 06:59:58,868 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:59:58,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/sv-benchmarks/c/float-benchs/nan_double_range.c [2024-12-02 06:59:58,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/9c7416e75/2834cf3a025a40458baa8a8f2f099218/FLAGccdf37619 [2024-12-02 06:59:58,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/9c7416e75/2834cf3a025a40458baa8a8f2f099218 [2024-12-02 06:59:58,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:59:58,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:59:58,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:59:58,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:59:58,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:59:58,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:59:58" (1/1) ... [2024-12-02 06:59:58,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d3f438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:58, skipping insertion in model container [2024-12-02 06:59:58,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:59:58" (1/1) ... [2024-12-02 06:59:58,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:59:59,058 WARN L250 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_9c6920fd-ad7f-43bc-ae64-214395e867cc/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-12-02 06:59:59,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:59:59,078 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:59:59,088 WARN L250 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_9c6920fd-ad7f-43bc-ae64-214395e867cc/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-12-02 06:59:59,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:59:59,105 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:59:59,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59 WrapperNode [2024-12-02 06:59:59,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:59:59,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:59:59,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:59:59,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:59:59,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,136 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2024-12-02 06:59:59,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:59:59,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:59:59,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:59:59,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:59:59,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,156 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]. [2024-12-02 06:59:59,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:59:59,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:59:59,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:59:59,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:59:59,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (1/1) ... [2024-12-02 06:59:59,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:59:59,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:59:59,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:59:59,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:59:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:59:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:59:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:59:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:59:59,289 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:59:59,291 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:59:59,387 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-02 06:59:59,387 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:59:59,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:59:59,398 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:59:59,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:59:59 BoogieIcfgContainer [2024-12-02 06:59:59,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:59:59,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:59:59,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:59:59,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:59:59,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:59:58" (1/3) ... [2024-12-02 06:59:59,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29973032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:59:59, skipping insertion in model container [2024-12-02 06:59:59,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:59:59" (2/3) ... [2024-12-02 06:59:59,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29973032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:59:59, skipping insertion in model container [2024-12-02 06:59:59,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:59:59" (3/3) ... [2024-12-02 06:59:59,409 INFO L128 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2024-12-02 06:59:59,425 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:59:59,427 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nan_double_range.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 06:59:59,483 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:59:59,496 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;@16695df7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:59:59,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:59:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 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) [2024-12-02 06:59:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-02 06:59:59,506 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:59,506 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 06:59:59,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:59:59,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:59,513 INFO L85 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2024-12-02 06:59:59,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:59:59,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407074618] [2024-12-02 06:59:59,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:59,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:59:59,602 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:59:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:59:59,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:59:59,636 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:59:59,637 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:59:59,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:59:59,645 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 06:59:59,660 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:59:59,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:59:59 BoogieIcfgContainer [2024-12-02 06:59:59,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:59:59,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:59:59,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:59:59,665 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:59:59,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:59:59" (3/4) ... [2024-12-02 06:59:59,669 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:59:59,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:59:59,672 INFO L158 Benchmark]: Toolchain (without parser) took 771.85ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 82.4MB in the end (delta: 34.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 06:59:59,672 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:59:59,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.20ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 106.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:59:59,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.88ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 976.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:59:59,673 INFO L158 Benchmark]: Boogie Preprocessor took 29.01ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:59:59,674 INFO L158 Benchmark]: RCFGBuilder took 232.11ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 95.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:59:59,674 INFO L158 Benchmark]: TraceAbstraction took 263.26ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 82.6MB in the end (delta: 11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:59:59,674 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 82.4MB in the end (delta: 185.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:59:59,676 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.20ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 106.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.88ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 976.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.01ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 232.11ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 95.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 263.26ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 82.6MB in the end (delta: 11.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 82.4MB in the end (delta: 185.9kB). 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 someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L15] COND TRUE x >= -1e307 && x <= 1e307 [L16] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred 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, 5 NumberOfCodeBlocks, 5 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 06:59:59,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1 --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 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:00:02,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:00:02,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 07:00:02,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:00:02,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:00:02,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:00:02,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:00:02,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:00:02,392 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:00:02,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:00:02,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:00:02,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:00:02,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:00:02,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:00:02,394 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:00:02,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:00:02,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:00:02,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:00:02,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:00:02,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:00:02,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:00:02,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:00:02,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:00:02,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:00:02,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:00:02,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:00:02,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:00:02,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:00:02,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:00:02,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:00:02,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:00:02,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:00:02,397 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:00:02,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:00:02,398 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:00:02,398 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:00:02,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:00:02,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:00:02,398 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:00:02,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:00:02,398 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1 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 -> 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 [2024-12-02 07:00:02,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:00:02,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:00:02,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:00:02,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:00:02,714 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:00:02,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/float-benchs/nan_double_range.c [2024-12-02 07:00:06,143 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/e3fa03aa7/715e90fac16444f8b1e64bbf4de41f7d/FLAG577a48229 [2024-12-02 07:00:06,368 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:00:06,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/sv-benchmarks/c/float-benchs/nan_double_range.c [2024-12-02 07:00:06,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/e3fa03aa7/715e90fac16444f8b1e64bbf4de41f7d/FLAG577a48229 [2024-12-02 07:00:06,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/data/e3fa03aa7/715e90fac16444f8b1e64bbf4de41f7d [2024-12-02 07:00:06,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:00:06,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:00:06,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:00:06,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:00:06,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:00:06,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9d3f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06, skipping insertion in model container [2024-12-02 07:00:06,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:00:06,878 WARN L250 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_9c6920fd-ad7f-43bc-ae64-214395e867cc/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-12-02 07:00:06,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:00:06,904 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:00:06,914 WARN L250 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_9c6920fd-ad7f-43bc-ae64-214395e867cc/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-12-02 07:00:06,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:00:06,932 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:00:06,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06 WrapperNode [2024-12-02 07:00:06,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:00:06,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:00:06,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:00:06,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:00:06,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,964 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-02 07:00:06,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:00:06,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:00:06,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:00:06,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:00:06,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,985 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]. [2024-12-02 07:00:06,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:06,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:00:07,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:00:07,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:00:07,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:00:07,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (1/1) ... [2024-12-02 07:00:07,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:00:07,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:00:07,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:00:07,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:00:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:00:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:00:07,134 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:00:07,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:00:07,242 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-02 07:00:07,243 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:00:07,251 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:00:07,252 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 07:00:07,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:07 BoogieIcfgContainer [2024-12-02 07:00:07,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:00:07,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:00:07,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:00:07,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:00:07,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:00:06" (1/3) ... [2024-12-02 07:00:07,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b624f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:07, skipping insertion in model container [2024-12-02 07:00:07,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:06" (2/3) ... [2024-12-02 07:00:07,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b624f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:07, skipping insertion in model container [2024-12-02 07:00:07,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:07" (3/3) ... [2024-12-02 07:00:07,264 INFO L128 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2024-12-02 07:00:07,279 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:00:07,280 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nan_double_range.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 07:00:07,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:00:07,341 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;@63d737cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:00:07,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:00:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 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) [2024-12-02 07:00:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-02 07:00:07,353 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:07,353 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 07:00:07,354 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:07,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2024-12-02 07:00:07,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:00:07,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393491767] [2024-12-02 07:00:07,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:07,374 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 [2024-12-02 07:00:07,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:00:07,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:00:07,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:00:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:07,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:00:07,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:00:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:07,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:00:07,586 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:00:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393491767] [2024-12-02 07:00:07,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393491767] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:07,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:07,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:07,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224074294] [2024-12-02 07:00:07,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:07,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:07,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:00:07,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:07,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:07,622 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-12-02 07:00:07,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:07,642 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-12-02 07:00:07,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:07,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-12-02 07:00:07,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:07,652 INFO L225 Difference]: With dead ends: 16 [2024-12-02 07:00:07,652 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:00:07,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:07,659 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:07,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:00:07,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:00:07,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:00:07,684 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) [2024-12-02 07:00:07,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:00:07,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2024-12-02 07:00:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:07,689 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:00:07,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-12-02 07:00:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:00:07,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:00:07,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:00:07,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:00:07,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:00:07,897 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-12-02 07:00:07,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:00:07,905 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:00:07,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:00:07 BoogieIcfgContainer [2024-12-02 07:00:07,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:00:07,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:00:07,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:00:07,914 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:00:07,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:07" (3/4) ... [2024-12-02 07:00:07,916 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:00:07,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-02 07:00:07,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 07:00:07,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 07:00:07,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:00:08,010 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:00:08,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:00:08,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:00:08,012 INFO L158 Benchmark]: Toolchain (without parser) took 1292.83ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 52.9MB in the end (delta: 17.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-02 07:00:08,013 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:00:08,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.46ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:00:08,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.55ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 58.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:00:08,014 INFO L158 Benchmark]: Boogie Preprocessor took 33.95ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:00:08,014 INFO L158 Benchmark]: RCFGBuilder took 252.71ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 47.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:00:08,015 INFO L158 Benchmark]: TraceAbstraction took 656.80ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 57.4MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:00:08,015 INFO L158 Benchmark]: Witness Printer took 98.02ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 52.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:00:08,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.46ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.55ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 58.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.95ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 252.71ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 47.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 656.80ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 57.4MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 98.02ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 52.9MB in the end (delta: 4.2MB). 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 - PositiveResult [Line: 8]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, 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, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 1 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 07:00:08,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6920fd-ad7f-43bc-ae64-214395e867cc/bin/uautomizer-verify-84ZbGMXZE1/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 Result: TRUE