./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:55:06,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:55:06,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:55:06,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:55:06,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:55:06,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:55:06,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:55:06,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:55:06,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:55:06,368 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:55:06,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:55:06,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:55:06,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:55:06,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:55:06,371 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:55:06,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:55:06,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:55:06,371 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:55:06,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:55:06,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:55:06,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:55:06,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:55:06,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:55:06,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:55:06,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:55:06,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:55:06,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:55:06,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:55:06,373 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:55:06,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:06,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:06,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:06,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:06,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:55:06,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:06,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:06,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:06,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:06,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:55:06,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:55:06,375 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:55:06,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:55:06,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:55:06,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:55:06,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:55:06,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:55:06,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:55:06,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:55:06,376 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31 [2024-11-28 02:55:06,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:55:06,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:55:06,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:55:06,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:55:06,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:55:06,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i [2024-11-28 02:55:10,222 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/74ef863d4/d009029bc5c04dbb9febca1ed4a6a683/FLAG7ef1eea16 [2024-11-28 02:55:10,538 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:55:10,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/sv-benchmarks/c/floats-cdfpl/newton_3_7.i [2024-11-28 02:55:10,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/74ef863d4/d009029bc5c04dbb9febca1ed4a6a683/FLAG7ef1eea16 [2024-11-28 02:55:10,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/74ef863d4/d009029bc5c04dbb9febca1ed4a6a683 [2024-11-28 02:55:10,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:55:10,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:55:10,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:10,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:55:10,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:55:10,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312b67bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10, skipping insertion in model container [2024-11-28 02:55:10,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:55:10,872 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777] [2024-11-28 02:55:10,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:10,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:55:10,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777] [2024-11-28 02:55:10,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:10,916 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:55:10,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10 WrapperNode [2024-11-28 02:55:10,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:10,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:10,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:55:10,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:55:10,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,953 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-11-28 02:55:10,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:10,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:55:10,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:55:10,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:55:10,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,978 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:55:10,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:10,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:55:10,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:55:10,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:55:10,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:55:10,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (1/1) ... [2024-11-28 02:55:11,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:11,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:11,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:55:11,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:55:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:55:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-28 02:55:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-28 02:55:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-28 02:55:11,087 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-28 02:55:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:55:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:55:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:55:11,178 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:55:11,180 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:55:11,375 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 02:55:11,375 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:55:11,393 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:55:11,394 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:55:11,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:11 BoogieIcfgContainer [2024-11-28 02:55:11,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:55:11,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:55:11,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:55:11,406 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:55:11,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:55:10" (1/3) ... [2024-11-28 02:55:11,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e67daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:11, skipping insertion in model container [2024-11-28 02:55:11,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:10" (2/3) ... [2024-11-28 02:55:11,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e67daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:11, skipping insertion in model container [2024-11-28 02:55:11,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:11" (3/3) ... [2024-11-28 02:55:11,413 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_3_7.i [2024-11-28 02:55:11,433 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:55:11,435 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_3_7.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 02:55:11,521 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:55:11,541 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a086720, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:55:11,542 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:55:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 02:55:11,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 02:55:11,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:11,558 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:11,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:11,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash 694828395, now seen corresponding path program 1 times [2024-11-28 02:55:11,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:11,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368649457] [2024-11-28 02:55:11,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:11,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 02:55:11,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:55:11,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368649457] [2024-11-28 02:55:11,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368649457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:11,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:11,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:55:11,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751346375] [2024-11-28 02:55:11,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:11,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:55:11,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:55:11,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:55:11,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:55:11,803 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 02:55:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:11,849 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2024-11-28 02:55:11,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:55:11,851 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2024-11-28 02:55:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:11,860 INFO L225 Difference]: With dead ends: 49 [2024-11-28 02:55:11,860 INFO L226 Difference]: Without dead ends: 22 [2024-11-28 02:55:11,864 INFO L434 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 [2024-11-28 02:55:11,868 INFO L435 NwaCegarLoop]: 29 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, 29 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 [2024-11-28 02:55:11,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:11,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-28 02:55:11,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-28 02:55:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 02:55:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-28 02:55:11,908 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 33 [2024-11-28 02:55:11,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:11,909 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-28 02:55:11,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 02:55:11,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-28 02:55:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 02:55:11,911 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:11,911 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:11,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:55:11,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:11,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1396428269, now seen corresponding path program 1 times [2024-11-28 02:55:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:55:11,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830278046] [2024-11-28 02:55:11,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:11,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:55:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:55:11,961 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:55:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:55:12,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:55:12,027 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:55:12,029 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:55:12,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:55:12,035 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 02:55:12,059 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:55:12,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:55:12 BoogieIcfgContainer [2024-11-28 02:55:12,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:55:12,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:55:12,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:55:12,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:55:12,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:11" (3/4) ... [2024-11-28 02:55:12,068 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:55:12,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:55:12,071 INFO L158 Benchmark]: Toolchain (without parser) took 1483.06ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 144.8MB in the beginning and 47.3MB in the end (delta: 97.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 02:55:12,071 INFO L158 Benchmark]: CDTParser took 1.88ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:55:12,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.38ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 144.8MB in the beginning and 83.0MB in the end (delta: 61.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:55:12,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.62ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:55:12,072 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:55:12,073 INFO L158 Benchmark]: RCFGBuilder took 404.61ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 69.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:55:12,073 INFO L158 Benchmark]: TraceAbstraction took 666.29ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 47.4MB in the end (delta: 21.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:55:12,074 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:55:12,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.38ms. Allocated memory was 167.8MB in the beginning and 117.4MB in the end (delta: -50.3MB). Free memory was 144.8MB in the beginning and 83.0MB in the end (delta: 61.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.62ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 81.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 404.61ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 69.6MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 666.29ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 47.4MB in the end (delta: 21.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 117.4MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 25.3kB). 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 a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L42] CALL, EXPR f(IN) VAL [\old(x)=53] [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] [L42] RET, EXPR f(IN) VAL [IN=53] [L42] CALL, EXPR fp(IN) VAL [\old(x)=53] [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] [L42] RET, EXPR fp(IN) VAL [IN=53] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=55] [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)=55] [L44] RET, EXPR f(x) VAL [IN=53, x=55] [L44] CALL, EXPR fp(x) VAL [\old(x)=55] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=55] [L44] RET, EXPR fp(x) VAL [IN=53, x=55] [L44] x = x - f(x)/fp(x) [L46] CALL, EXPR f(x) VAL [\old(x)=54] [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)=54] [L46] RET, EXPR f(x) VAL [IN=53, x=54] [L46] CALL, EXPR fp(x) VAL [\old(x)=54] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=54] [L46] RET, EXPR fp(x) VAL [IN=53, x=54] [L46] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=53] [L51] reach_error() VAL [IN=53] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 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, 29 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=26occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:55:12,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:55:15,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:55:15,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:55:15,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:55:15,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:55:15,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:55:15,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:55:15,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:55:15,430 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:55:15,430 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:55:15,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:55:15,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:55:15,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:55:15,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:55:15,432 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:55:15,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:55:15,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:55:15,432 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:55:15,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:55:15,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:55:15,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:55:15,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:55:15,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:55:15,435 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:55:15,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:15,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:15,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:15,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:15,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:55:15,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:55:15,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:55:15,436 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:55:15,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:15,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:55:15,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:55:15,436 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:55:15,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:55:15,437 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:55:15,437 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:55:15,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:55:15,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:55:15,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:55:15,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:55:15,438 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df3dc3bb1738e955623753f7e0a37e4c32635ed29b967d6ef98d4204effab31 [2024-11-28 02:55:15,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:55:15,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:55:15,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:55:15,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:55:15,828 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:55:15,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-cdfpl/newton_3_7.i [2024-11-28 02:55:18,967 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/d7c0d5aef/1120b265a6f542108b6bed241135cee9/FLAGc08b49349 [2024-11-28 02:55:19,307 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:55:19,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/sv-benchmarks/c/floats-cdfpl/newton_3_7.i [2024-11-28 02:55:19,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/d7c0d5aef/1120b265a6f542108b6bed241135cee9/FLAGc08b49349 [2024-11-28 02:55:19,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/data/d7c0d5aef/1120b265a6f542108b6bed241135cee9 [2024-11-28 02:55:19,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:55:19,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:55:19,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:19,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:55:19,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:55:19,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29050930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19, skipping insertion in model container [2024-11-28 02:55:19,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:55:19,596 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777] [2024-11-28 02:55:19,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:19,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:55:19,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/sv-benchmarks/c/floats-cdfpl/newton_3_7.i[1764,1777] [2024-11-28 02:55:19,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:55:19,678 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:55:19,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19 WrapperNode [2024-11-28 02:55:19,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:55:19,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:19,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:55:19,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:55:19,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,718 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-28 02:55:19,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:55:19,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:55:19,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:55:19,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:55:19,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,749 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:55:19,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,757 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:55:19,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:55:19,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:55:19,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:55:19,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (1/1) ... [2024-11-28 02:55:19,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:55:19,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:55:19,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:55:19,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:55:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:55:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-28 02:55:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-28 02:55:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:55:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-28 02:55:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-28 02:55:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:55:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:55:19,921 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:55:19,924 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:55:34,391 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-28 02:55:34,391 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:55:34,404 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:55:34,404 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:55:34,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:34 BoogieIcfgContainer [2024-11-28 02:55:34,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:55:34,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:55:34,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:55:34,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:55:34,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:55:19" (1/3) ... [2024-11-28 02:55:34,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@803f0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:34, skipping insertion in model container [2024-11-28 02:55:34,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:55:19" (2/3) ... [2024-11-28 02:55:34,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@803f0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:55:34, skipping insertion in model container [2024-11-28 02:55:34,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:34" (3/3) ... [2024-11-28 02:55:34,418 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_3_7.i [2024-11-28 02:55:34,437 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:55:34,439 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_3_7.i that has 3 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 02:55:34,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:55:34,525 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29c8f697, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:55:34,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:55:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 02:55:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 02:55:34,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:34,537 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:34,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:34,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:34,543 INFO L85 PathProgramCache]: Analyzing trace with hash 694828395, now seen corresponding path program 1 times [2024-11-28 02:55:34,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:55:34,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247038103] [2024-11-28 02:55:34,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:34,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:55:34,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:55:34,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:55:34,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 02:55:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:55:38,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:55:38,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:55:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-28 02:55:38,077 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:55:38,081 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:55:38,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247038103] [2024-11-28 02:55:38,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247038103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:55:38,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:55:38,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:55:38,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188216473] [2024-11-28 02:55:38,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:55:38,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:55:38,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:55:38,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:55:38,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:55:38,116 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 02:55:38,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:55:38,140 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2024-11-28 02:55:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:55:38,143 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 33 [2024-11-28 02:55:38,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:55:38,151 INFO L225 Difference]: With dead ends: 49 [2024-11-28 02:55:38,152 INFO L226 Difference]: Without dead ends: 22 [2024-11-28 02:55:38,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:55:38,161 INFO L435 NwaCegarLoop]: 29 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, 29 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 [2024-11-28 02:55:38,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:55:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-28 02:55:38,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-28 02:55:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 02:55:38,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-28 02:55:38,211 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 33 [2024-11-28 02:55:38,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:55:38,212 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-28 02:55:38,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 02:55:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-28 02:55:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-28 02:55:38,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:55:38,217 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:55:38,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 02:55:38,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:55:38,419 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:55:38,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:55:38,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1396428269, now seen corresponding path program 1 times [2024-11-28 02:55:38,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:55:38,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110054462] [2024-11-28 02:55:38,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:55:38,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:55:38,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:55:38,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 02:55:38,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:56:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:56:49,929 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:58:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:58:48,166 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 02:58:48,166 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:58:48,168 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:58:48,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 02:58:48,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:58:48,374 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 02:58:48,403 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:58:48,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:48 BoogieIcfgContainer [2024-11-28 02:58:48,407 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:58:48,407 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:58:48,407 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:58:48,408 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:58:48,408 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:55:34" (3/4) ... [2024-11-28 02:58:48,409 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 02:58:48,461 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 17. [2024-11-28 02:58:48,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:58:48,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:58:48,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:58:48,518 INFO L158 Benchmark]: Toolchain (without parser) took 209166.05ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 39.0MB in the end (delta: 55.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-28 02:58:48,519 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:58:48,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.87ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 82.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:58:48,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.58ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:58:48,520 INFO L158 Benchmark]: Boogie Preprocessor took 44.44ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:58:48,520 INFO L158 Benchmark]: RCFGBuilder took 14638.28ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 69.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:58:48,520 INFO L158 Benchmark]: TraceAbstraction took 193999.31ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 43.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:58:48,521 INFO L158 Benchmark]: Witness Printer took 110.23ms. Allocated memory is still 117.4MB. Free memory was 43.6MB in the beginning and 39.0MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:58:48,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.87ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 82.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.58ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.44ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 14638.28ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 69.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 193999.31ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 43.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 110.23ms. Allocated memory is still 117.4MB. Free memory was 43.6MB in the beginning and 39.0MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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) [L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L42] CALL, EXPR f(IN) VAL [\old(x)=-1.31600821018219] [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)=-1.31600821018219, \result=-0.9703972935676575] [L42] RET, EXPR f(IN) VAL [IN=-1.31600821018219] [L42] CALL, EXPR fp(IN) VAL [\old(x)=-1.31600821018219] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.31600821018219, \result=0.26625093817710876] [L42] RET, EXPR fp(IN) VAL [IN=-1.31600821018219] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=2.3286638259887695] [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)=2.3286638259887695, \result=0.8683680295944214] [L44] RET, EXPR f(x) VAL [x=2.3286638259887695] [L44] CALL, EXPR fp(x) VAL [\old(x)=2.3286638259887695] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=2.3286638259887695, \result=-0.2646457552909851] [L44] RET, EXPR fp(x) VAL [x=2.3286638259887695] [L44] x = x - f(x)/fp(x) [L46] CALL, EXPR f(x) VAL [\old(x)=5.609910488128662] [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)=5.609910488128662, \result=57.18129348754883] [L46] RET, EXPR f(x) VAL [x=5.609910488128662] [L46] CALL, EXPR fp(x) VAL [\old(x)=5.609910488128662] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=5.609910488128662, \result=69.82390594482422] [L46] RET, EXPR fp(x) VAL [x=5.609910488128662] [L46] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) [L51] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 193.9s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 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, 29 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred 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, 74.8s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 02:58:48,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b49891cc-d351-45b3-b7ad-2809b516e87f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE