./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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_9f49501e-af6c-49a6-a625-5d9a657856f0/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 86e7ac4fa6c1af11f4f8f15ec1d9635b8ca5555a095fe265c81ca6855d1c33c8 --- 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 21:12:20,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:12:20,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:12:20,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:12:20,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:12:20,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:12:20,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:12:20,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:12:20,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:12:20,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:12:20,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:12:20,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:12:20,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:12:20,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:12:20,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:12:20,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:12:20,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:12:20,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:12:20,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:12:20,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:12:20,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:12:20,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:12:20,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:12:20,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:12:20,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:12:20,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:12:20,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:12:20,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:12:20,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:12:20,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:12:20,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:12:20,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:12:20,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:12:20,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:12:20,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:12:20,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:12:20,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:12:20,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:12:20,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:12:20,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:12:20,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:12:20,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 21:12:20,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:12:20,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:12:20,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:12:20,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:12:20,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:12:20,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:12:20,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:12:20,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:12:20,283 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:12:20,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:12:20,283 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:12:20,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:12:20,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:12:20,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:12:20,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:12:20,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:12:20,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:12:20,284 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:12:20,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:12:20,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:12:20,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:12:20,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:12:20,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:12:20,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:12:20,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:12:20,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:12:20,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:12:20,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:12:20,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:12:20,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:12:20,286 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:12:20,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:12:20,287 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:12:20,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:12:20,287 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:12:20,287 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_9f49501e-af6c-49a6-a625-5d9a657856f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7ac4fa6c1af11f4f8f15ec1d9635b8ca5555a095fe265c81ca6855d1c33c8 [2022-12-13 21:12:20,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:12:20,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:12:20,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:12:20,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:12:20,489 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:12:20,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/floats-cdfpl/newton_1_7.i [2022-12-13 21:12:23,057 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:12:23,207 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:12:23,207 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/sv-benchmarks/c/floats-cdfpl/newton_1_7.i [2022-12-13 21:12:23,211 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data/4734dbb5b/4429d4ccdc1945b99080861e57611ef5/FLAGd26900dec [2022-12-13 21:12:23,625 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data/4734dbb5b/4429d4ccdc1945b99080861e57611ef5 [2022-12-13 21:12:23,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:12:23,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:12:23,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:12:23,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:12:23,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:12:23,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b0f213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23, skipping insertion in model container [2022-12-13 21:12:23,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:12:23,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:12:23,786 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_9f49501e-af6c-49a6-a625-5d9a657856f0/sv-benchmarks/c/floats-cdfpl/newton_1_7.i[1722,1735] [2022-12-13 21:12:23,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:12:23,799 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:12:23,815 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_9f49501e-af6c-49a6-a625-5d9a657856f0/sv-benchmarks/c/floats-cdfpl/newton_1_7.i[1722,1735] [2022-12-13 21:12:23,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:12:23,827 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:12:23,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23 WrapperNode [2022-12-13 21:12:23,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:12:23,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:12:23,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:12:23,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:12:23,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,852 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2022-12-13 21:12:23,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:12:23,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:12:23,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:12:23,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:12:23,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,870 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:12:23,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:12:23,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:12:23,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:12:23,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (1/1) ... [2022-12-13 21:12:23,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:12:23,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:12:23,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:12:23,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:12:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:12:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:12:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:12:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:12:23,994 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:12:23,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:12:24,069 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:12:24,073 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:12:24,074 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:12:24,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:24 BoogieIcfgContainer [2022-12-13 21:12:24,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:12:24,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:12:24,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:12:24,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:12:24,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:12:23" (1/3) ... [2022-12-13 21:12:24,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2ab7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:24, skipping insertion in model container [2022-12-13 21:12:24,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:23" (2/3) ... [2022-12-13 21:12:24,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2ab7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:24, skipping insertion in model container [2022-12-13 21:12:24,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:24" (3/3) ... [2022-12-13 21:12:24,081 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_7.i [2022-12-13 21:12:24,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:12:24,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:12:24,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:12:24,132 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;@102045ed, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:12:24,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:12:24,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 21:12:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 21:12:24,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:12:24,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:12:24,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:12:24,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:12:24,144 INFO L85 PathProgramCache]: Analyzing trace with hash 119351050, now seen corresponding path program 1 times [2022-12-13 21:12:24,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:12:24,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935518063] [2022-12-13 21:12:24,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:12:24,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:12:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:12:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:12:24,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:12:24,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935518063] [2022-12-13 21:12:24,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935518063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:12:24,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:12:24,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:12:24,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579121326] [2022-12-13 21:12:24,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:12:24,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:12:24,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:12:24,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:12:24,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:12:24,280 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 21:12:24,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:12:24,291 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-12-13 21:12:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:12:24,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-12-13 21:12:24,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:12:24,298 INFO L225 Difference]: With dead ends: 23 [2022-12-13 21:12:24,298 INFO L226 Difference]: Without dead ends: 9 [2022-12-13 21:12:24,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:12:24,303 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:12:24,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:12:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-13 21:12:24,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-13 21:12:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 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 21:12:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-13 21:12:24,326 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2022-12-13 21:12:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:12:24,326 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-13 21:12:24,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 21:12:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-13 21:12:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 21:12:24,327 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:12:24,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:12:24,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:12:24,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:12:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:12:24,328 INFO L85 PathProgramCache]: Analyzing trace with hash 176609352, now seen corresponding path program 1 times [2022-12-13 21:12:24,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:12:24,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551752945] [2022-12-13 21:12:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:12:24,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:12:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:12:24,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:12:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:12:24,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:12:24,363 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:12:24,364 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:12:24,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:12:24,368 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:12:24,371 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:12:24,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:12:24 BoogieIcfgContainer [2022-12-13 21:12:24,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:12:24,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:12:24,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:12:24,385 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:12:24,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:24" (3/4) ... [2022-12-13 21:12:24,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:12:24,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:12:24,388 INFO L158 Benchmark]: Toolchain (without parser) took 759.88ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 84.3MB in the beginning and 106.4MB in the end (delta: -22.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-12-13 21:12:24,388 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:12:24,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.93ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 73.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 21:12:24,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.39ms. Allocated memory is still 119.5MB. Free memory was 73.8MB in the beginning and 72.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:12:24,389 INFO L158 Benchmark]: Boogie Preprocessor took 19.20ms. Allocated memory is still 119.5MB. Free memory was 72.4MB in the beginning and 71.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:12:24,389 INFO L158 Benchmark]: RCFGBuilder took 202.14ms. Allocated memory is still 119.5MB. Free memory was 71.1MB in the beginning and 62.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 21:12:24,390 INFO L158 Benchmark]: TraceAbstraction took 307.49ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 61.6MB in the beginning and 106.4MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:12:24,390 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 144.7MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:12:24,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.93ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 73.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.39ms. Allocated memory is still 119.5MB. Free memory was 73.8MB in the beginning and 72.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.20ms. Allocated memory is still 119.5MB. Free memory was 72.4MB in the beginning and 71.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 202.14ms. Allocated memory is still 119.5MB. Free memory was 71.1MB in the beginning and 62.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 307.49ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 61.6MB in the beginning and 106.4MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 144.7MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 51]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L42] CALL, EXPR f(IN) [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=53, x=53] [L42] RET, EXPR f(IN) [L42] CALL, EXPR fp(IN) [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=53, x=53] [L42] RET, EXPR fp(IN) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) VAL [IN=53] [L51] reach_error() VAL [IN=53] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:12:24,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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_9f49501e-af6c-49a6-a625-5d9a657856f0/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 86e7ac4fa6c1af11f4f8f15ec1d9635b8ca5555a095fe265c81ca6855d1c33c8 --- 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 21:12:26,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:12:26,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:12:26,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:12:26,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:12:26,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:12:26,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:12:26,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:12:26,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:12:26,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:12:26,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:12:26,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:12:26,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:12:26,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:12:26,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:12:26,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:12:26,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:12:26,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:12:26,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:12:26,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:12:26,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:12:26,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:12:26,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:12:26,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:12:26,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:12:26,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:12:26,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:12:26,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:12:26,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:12:26,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:12:26,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:12:26,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:12:26,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:12:26,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:12:26,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:12:26,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:12:26,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:12:26,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:12:26,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:12:26,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:12:26,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:12:26,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-12-13 21:12:26,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:12:26,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:12:26,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:12:26,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:12:26,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:12:26,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:12:26,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:12:26,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:12:26,148 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:12:26,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:12:26,149 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:12:26,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:12:26,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:12:26,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:12:26,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:12:26,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:12:26,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:12:26,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:12:26,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:12:26,150 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:12:26,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:12:26,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:12:26,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:12:26,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:12:26,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:12:26,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:12:26,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:12:26,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:12:26,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:12:26,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:12:26,152 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:12:26,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:12:26,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:12:26,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:12:26,153 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:12:26,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:12:26,153 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:12:26,153 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:12:26,154 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_9f49501e-af6c-49a6-a625-5d9a657856f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86e7ac4fa6c1af11f4f8f15ec1d9635b8ca5555a095fe265c81ca6855d1c33c8 [2022-12-13 21:12:26,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:12:26,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:12:26,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:12:26,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:12:26,406 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:12:26,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/floats-cdfpl/newton_1_7.i [2022-12-13 21:12:29,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:12:29,181 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:12:29,182 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/sv-benchmarks/c/floats-cdfpl/newton_1_7.i [2022-12-13 21:12:29,188 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data/66c27298b/b3d21b1bd1ca4fe0b08ad65fe28b648d/FLAG34528a2be [2022-12-13 21:12:29,201 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/data/66c27298b/b3d21b1bd1ca4fe0b08ad65fe28b648d [2022-12-13 21:12:29,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:12:29,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:12:29,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:12:29,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:12:29,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:12:29,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c2f5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29, skipping insertion in model container [2022-12-13 21:12:29,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:12:29,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:12:29,363 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_9f49501e-af6c-49a6-a625-5d9a657856f0/sv-benchmarks/c/floats-cdfpl/newton_1_7.i[1722,1735] [2022-12-13 21:12:29,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:12:29,380 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:12:29,396 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_9f49501e-af6c-49a6-a625-5d9a657856f0/sv-benchmarks/c/floats-cdfpl/newton_1_7.i[1722,1735] [2022-12-13 21:12:29,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:12:29,411 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:12:29,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29 WrapperNode [2022-12-13 21:12:29,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:12:29,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:12:29,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:12:29,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:12:29,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,445 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2022-12-13 21:12:29,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:12:29,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:12:29,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:12:29,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:12:29,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,468 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:12:29,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:12:29,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:12:29,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:12:29,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (1/1) ... [2022-12-13 21:12:29,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:12:29,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:12:29,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:12:29,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:12:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:12:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:12:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:12:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:12:29,602 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:12:29,604 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:12:36,399 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:12:36,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:12:36,410 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:12:36,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:36 BoogieIcfgContainer [2022-12-13 21:12:36,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:12:36,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:12:36,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:12:36,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:12:36,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:12:29" (1/3) ... [2022-12-13 21:12:36,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d03dce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:36, skipping insertion in model container [2022-12-13 21:12:36,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:29" (2/3) ... [2022-12-13 21:12:36,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d03dce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:36, skipping insertion in model container [2022-12-13 21:12:36,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:36" (3/3) ... [2022-12-13 21:12:36,423 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_7.i [2022-12-13 21:12:36,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:12:36,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:12:36,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:12:36,475 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;@3826b57b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:12:36,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:12:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 21:12:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 21:12:36,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:12:36,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:12:36,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:12:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:12:36,487 INFO L85 PathProgramCache]: Analyzing trace with hash 119351050, now seen corresponding path program 1 times [2022-12-13 21:12:36,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:12:36,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939483771] [2022-12-13 21:12:36,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:12:36,496 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 21:12:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:12:36,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 21:12:36,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 21:12:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:12:37,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 21:12:37,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:12:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:12:37,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:12:37,640 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:12:37,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939483771] [2022-12-13 21:12:37,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939483771] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:12:37,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:12:37,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:12:37,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430219116] [2022-12-13 21:12:37,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:12:37,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:12:37,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:12:37,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:12:37,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:12:37,668 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 21:12:37,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:12:37,679 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-12-13 21:12:37,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:12:37,680 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2022-12-13 21:12:37,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:12:37,685 INFO L225 Difference]: With dead ends: 23 [2022-12-13 21:12:37,685 INFO L226 Difference]: Without dead ends: 9 [2022-12-13 21:12:37,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:12:37,690 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:12:37,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:12:37,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-13 21:12:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-13 21:12:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 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 21:12:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-13 21:12:37,712 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2022-12-13 21:12:37,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:12:37,712 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-13 21:12:37,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 21:12:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-13 21:12:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 21:12:37,713 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:12:37,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:12:37,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 21:12:37,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 21:12:37,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:12:37,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:12:37,915 INFO L85 PathProgramCache]: Analyzing trace with hash 176609352, now seen corresponding path program 1 times [2022-12-13 21:12:37,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:12:37,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217229851] [2022-12-13 21:12:37,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:12:37,917 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 21:12:37,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:12:37,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 21:12:37,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 (3)] Waiting until timeout for monitored process [2022-12-13 21:12:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:12:45,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:12:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:12:49,417 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:12:49,417 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:12:49,418 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:12:49,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 (3)] Forceful destruction successful, exit code 0 [2022-12-13 21:12:49,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/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 21:12:49,631 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:12:49,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:12:49,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:12:49 BoogieIcfgContainer [2022-12-13 21:12:49,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:12:49,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:12:49,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:12:49,672 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:12:49,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:36" (3/4) ... [2022-12-13 21:12:49,674 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 21:12:49,697 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:12:49,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:12:49,698 INFO L158 Benchmark]: Toolchain (without parser) took 20493.70ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 52.5MB in the end (delta: -2.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-12-13 21:12:49,698 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:12:49,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.50ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 38.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 21:12:49,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.40ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 37.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:12:49,699 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 35.9MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:12:49,700 INFO L158 Benchmark]: RCFGBuilder took 6940.76ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 35.9MB in the beginning and 78.0MB in the end (delta: -42.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-12-13 21:12:49,700 INFO L158 Benchmark]: TraceAbstraction took 13255.55ms. Allocated memory is still 98.6MB. Free memory was 77.5MB in the beginning and 54.2MB in the end (delta: 23.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 21:12:49,700 INFO L158 Benchmark]: Witness Printer took 25.21ms. Allocated memory is still 98.6MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:12:49,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.50ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 38.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.40ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 37.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 35.9MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6940.76ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 35.9MB in the beginning and 78.0MB in the end (delta: -42.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13255.55ms. Allocated memory is still 98.6MB. Free memory was 77.5MB in the beginning and 54.2MB in the end (delta: 23.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 25.21ms. Allocated memory is still 98.6MB. Free memory was 54.2MB in the beginning and 52.5MB in the end (delta: 1.7MB). 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: 51]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L42] CALL, EXPR f(IN) [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.2030818462371826, \result=-0.9345846772193909, x=-1.2030818462371826] [L42] RET, EXPR f(IN) [L42] CALL, EXPR fp(IN) [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.2030818462371826, \result=0.3677995502948761, x=-1.2030818462371826] [L42] RET, EXPR fp(IN) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) VAL [IN=-1.2030818462371826, x=1.3379344940185547] [L51] reach_error() VAL [IN=-1.2030818462371826, x=1.3379344940185547] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:12:49,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f49501e-af6c-49a6-a625-5d9a657856f0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE