./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:58:36,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:58:36,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:58:36,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:58:36,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:58:36,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:58:36,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:58:36,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:58:36,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:58:36,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:58:36,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:58:36,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:58:36,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:58:36,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:58:36,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:58:36,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:58:36,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:58:36,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:58:36,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:58:36,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:58:36,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:58:37,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:58:37,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:58:37,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:58:37,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:58:37,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:58:37,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:58:37,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:58:37,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:58:37,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:58:37,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:58:37,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:58:37,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:58:37,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:58:37,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:58:37,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:58:37,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:58:37,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:58:37,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:58:37,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:58:37,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:58:37,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 17:58:37,033 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:58:37,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:58:37,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:58:37,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:58:37,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:58:37,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:58:37,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:58:37,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:58:37,041 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:58:37,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:58:37,042 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:58:37,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:58:37,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:58:37,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:58:37,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:58:37,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:58:37,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:58:37,043 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:58:37,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:58:37,043 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:58:37,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:58:37,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:58:37,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:58:37,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:58:37,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:58:37,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:58:37,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:58:37,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:58:37,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:58:37,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:58:37,045 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:58:37,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:58:37,046 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:58:37,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:58:37,046 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:58:37,046 INFO L138 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_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2022-12-13 17:58:37,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:58:37,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:58:37,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:58:37,235 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:58:37,236 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:58:37,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/nan_double.c [2022-12-13 17:58:39,887 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:58:40,063 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:58:40,063 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/sv-benchmarks/c/float-benchs/nan_double.c [2022-12-13 17:58:40,067 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data/8310d666c/406f22cb9ce24575b7c38abc47a0bebd/FLAG0015a9177 [2022-12-13 17:58:40,079 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data/8310d666c/406f22cb9ce24575b7c38abc47a0bebd [2022-12-13 17:58:40,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:58:40,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:58:40,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:58:40,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:58:40,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:58:40,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa87a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40, skipping insertion in model container [2022-12-13 17:58:40,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:58:40,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:58:40,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2022-12-13 17:58:40,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:58:40,212 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:58:40,221 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2022-12-13 17:58:40,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:58:40,234 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:58:40,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40 WrapperNode [2022-12-13 17:58:40,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:58:40,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:58:40,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:58:40,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:58:40,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,262 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-12-13 17:58:40,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:58:40,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:58:40,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:58:40,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:58:40,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:58:40,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:58:40,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:58:40,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:58:40,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (1/1) ... [2022-12-13 17:58:40,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:58:40,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:58:40,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:58:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:58:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:58:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:58:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:58:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:58:40,381 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:58:40,383 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:58:40,436 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:58:40,441 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:58:40,441 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:58:40,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:58:40 BoogieIcfgContainer [2022-12-13 17:58:40,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:58:40,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:58:40,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:58:40,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:58:40,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:58:40" (1/3) ... [2022-12-13 17:58:40,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d82a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:58:40, skipping insertion in model container [2022-12-13 17:58:40,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:40" (2/3) ... [2022-12-13 17:58:40,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d82a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:58:40, skipping insertion in model container [2022-12-13 17:58:40,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:58:40" (3/3) ... [2022-12-13 17:58:40,449 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double.c [2022-12-13 17:58:40,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:58:40,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:58:40,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:58:40,501 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39101769, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:58:40,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:58:40,504 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) [2022-12-13 17:58:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 17:58:40,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:58:40,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 17:58:40,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:58:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:58:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-12-13 17:58:40,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:58:40,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919997080] [2022-12-13 17:58:40,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:58:40,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:58:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:58:40,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:58:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:58:40,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:58:40,625 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:58:40,626 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:58:40,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:58:40,631 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:58:40,635 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:58:40,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:58:40 BoogieIcfgContainer [2022-12-13 17:58:40,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:58:40,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:58:40,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:58:40,647 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:58:40,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:58:40" (3/4) ... [2022-12-13 17:58:40,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:58:40,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:58:40,651 INFO L158 Benchmark]: Toolchain (without parser) took 568.36ms. Allocated memory is still 136.3MB. Free memory was 102.7MB in the beginning and 67.6MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 17:58:40,652 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:58:40,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.70ms. Allocated memory is still 136.3MB. Free memory was 102.2MB in the beginning and 92.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:58:40,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.49ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 91.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:58:40,653 INFO L158 Benchmark]: Boogie Preprocessor took 17.11ms. Allocated memory is still 136.3MB. Free memory was 91.3MB in the beginning and 90.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:58:40,653 INFO L158 Benchmark]: RCFGBuilder took 161.64ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 81.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 17:58:40,654 INFO L158 Benchmark]: TraceAbstraction took 201.92ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 68.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 17:58:40,654 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 136.3MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:58:40,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.70ms. Allocated memory is still 136.3MB. Free memory was 102.2MB in the beginning and 92.6MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.49ms. Allocated memory is still 136.3MB. Free memory was 92.6MB in the beginning and 91.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.11ms. Allocated memory is still 136.3MB. Free memory was 91.3MB in the beginning and 90.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 161.64ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 81.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 201.92ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 68.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 136.3MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 2.6kB). 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 call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L15] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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 [2022-12-13 17:58:40,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:58:42,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:58:42,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:58:42,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:58:42,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:58:42,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:58:42,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:58:42,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:58:42,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:58:42,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:58:42,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:58:42,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:58:42,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:58:42,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:58:42,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:58:42,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:58:42,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:58:42,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:58:42,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:58:42,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:58:42,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:58:42,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:58:42,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:58:42,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:58:42,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:58:42,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:58:42,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:58:42,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:58:42,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:58:42,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:58:42,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:58:42,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:58:42,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:58:42,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:58:42,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:58:42,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:58:42,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:58:42,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:58:42,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:58:42,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:58:42,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:58:42,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 17:58:42,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:58:42,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:58:42,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:58:42,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:58:42,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:58:42,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:58:42,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:58:42,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:58:42,397 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:58:42,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:58:42,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:58:42,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:58:42,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:58:42,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:58:42,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:58:42,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:58:42,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:58:42,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:58:42,399 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:58:42,399 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:58:42,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:58:42,400 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:58:42,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:58:42,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:58:42,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:58:42,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:58:42,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:58:42,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:58:42,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:58:42,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:58:42,401 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:58:42,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:58:42,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:58:42,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:58:42,402 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:58:42,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:58:42,402 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:58:42,403 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:58:42,403 INFO L138 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_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2022-12-13 17:58:42,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:58:42,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:58:42,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:58:42,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:58:42,655 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:58:42,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-benchs/nan_double.c [2022-12-13 17:58:45,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:58:45,393 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:58:45,393 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/sv-benchmarks/c/float-benchs/nan_double.c [2022-12-13 17:58:45,399 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data/a2a22749a/4a78e102b1804910a479daee4dce0e2d/FLAG01831e1d9 [2022-12-13 17:58:45,413 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/data/a2a22749a/4a78e102b1804910a479daee4dce0e2d [2022-12-13 17:58:45,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:58:45,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:58:45,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:58:45,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:58:45,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:58:45,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24245848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45, skipping insertion in model container [2022-12-13 17:58:45,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:58:45,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:58:45,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2022-12-13 17:58:45,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:58:45,607 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:58:45,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2022-12-13 17:58:45,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:58:45,636 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:58:45,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45 WrapperNode [2022-12-13 17:58:45,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:58:45,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:58:45,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:58:45,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:58:45,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,669 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2022-12-13 17:58:45,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:58:45,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:58:45,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:58:45,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:58:45,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:58:45,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:58:45,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:58:45,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:58:45,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (1/1) ... [2022-12-13 17:58:45,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:58:45,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:58:45,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:58:45,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:58:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:58:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 17:58:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:58:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:58:45,812 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:58:45,814 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:58:45,876 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:58:45,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:58:45,881 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:58:45,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:58:45 BoogieIcfgContainer [2022-12-13 17:58:45,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:58:45,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:58:45,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:58:45,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:58:45,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:58:45" (1/3) ... [2022-12-13 17:58:45,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501fef97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:58:45, skipping insertion in model container [2022-12-13 17:58:45,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:58:45" (2/3) ... [2022-12-13 17:58:45,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501fef97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:58:45, skipping insertion in model container [2022-12-13 17:58:45,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:58:45" (3/3) ... [2022-12-13 17:58:45,890 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double.c [2022-12-13 17:58:45,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:58:45,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:58:45,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:58:45,942 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1634394, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:58:45,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:58:45,945 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) [2022-12-13 17:58:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 17:58:45,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:58:45,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 17:58:45,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:58:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:58:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-12-13 17:58:45,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:58:45,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502972225] [2022-12-13 17:58:45,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:58:45,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:58:45,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:58:45,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:58:45,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 17:58:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:58:46,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:58:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:58:46,051 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 17:58:46,052 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:58:46,053 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:58:46,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:58:46,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:58:46,260 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:58:46,264 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:58:46,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:58:46 BoogieIcfgContainer [2022-12-13 17:58:46,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:58:46,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:58:46,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:58:46,281 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:58:46,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:58:45" (3/4) ... [2022-12-13 17:58:46,285 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 17:58:46,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:58:46,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:58:46,319 INFO L158 Benchmark]: Toolchain (without parser) took 901.72ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 34.2MB in the end (delta: 18.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-12-13 17:58:46,320 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:58:46,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.33ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 41.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 17:58:46,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.96ms. Allocated memory is still 73.4MB. Free memory was 41.8MB in the beginning and 40.4MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:58:46,322 INFO L158 Benchmark]: Boogie Preprocessor took 17.79ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 39.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:58:46,322 INFO L158 Benchmark]: RCFGBuilder took 194.25ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 47.7MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 17:58:46,323 INFO L158 Benchmark]: TraceAbstraction took 395.77ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 35.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:58:46,323 INFO L158 Benchmark]: Witness Printer took 37.26ms. Allocated memory is still 73.4MB. Free memory was 35.7MB in the beginning and 34.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:58:46,327 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.33ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 41.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.96ms. Allocated memory is still 73.4MB. Free memory was 41.8MB in the beginning and 40.4MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.79ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 39.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 194.25ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 47.7MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 395.77ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 35.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 37.26ms. Allocated memory is still 73.4MB. Free memory was 35.7MB in the beginning and 34.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. 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] double x; [L13] x = __VERIFIER_nondet_double() [L15] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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! [2022-12-13 17:58:46,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344bb885-19e3-40b6-a2ed-86f0043a6fbc/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE