./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx --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 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:24:58,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:24:58,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:24:58,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:24:58,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:24:58,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:24:58,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:24:58,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:24:58,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:24:58,548 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:24:58,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:24:58,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:24:58,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:24:58,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:24:58,552 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:24:58,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:24:58,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:24:58,554 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:24:58,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:24:58,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:24:58,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:24:58,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:24:58,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:24:58,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:24:58,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:24:58,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:24:58,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:24:58,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:24:58,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:24:58,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:24:58,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:24:58,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:24:58,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:24:58,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:24:58,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:24:58,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:24:58,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:24:58,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:24:58,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:24:58,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:24:58,564 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:24:58,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:24:58,565 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d [2023-11-21 22:24:58,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:24:58,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:24:58,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:24:58,856 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:24:58,857 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:24:58,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2023-11-21 22:25:01,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:02,265 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:02,267 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2023-11-21 22:25:02,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data/d53663ee3/242de6cab48b40cca47c5976b66dfedd/FLAG4746d6519 [2023-11-21 22:25:02,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data/d53663ee3/242de6cab48b40cca47c5976b66dfedd [2023-11-21 22:25:02,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:02,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:02,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:02,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:02,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:02,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4beed5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02, skipping insertion in model container [2023-11-21 22:25:02,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:02,571 WARN L240 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_03e262b8-cba6-45ed-83b6-8f039d2ca35f/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2023-11-21 22:25:02,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:02,584 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:02,603 WARN L240 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_03e262b8-cba6-45ed-83b6-8f039d2ca35f/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2023-11-21 22:25:02,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:02,620 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:02,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02 WrapperNode [2023-11-21 22:25:02,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:02,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:02,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:02,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:02,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,656 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-21 22:25:02,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:02,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:02,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:02,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:02,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,670 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,679 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:02,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:02,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:02,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:02,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:02,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (1/1) ... [2023-11-21 22:25:02,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:02,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:02,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-21 22:25:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-21 22:25:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-21 22:25:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-21 22:25:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:25:02,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:02,862 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:02,865 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:02,995 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:03,047 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:03,047 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:25:03,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:03 BoogieIcfgContainer [2023-11-21 22:25:03,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:03,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:03,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:03,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:03,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:02" (1/3) ... [2023-11-21 22:25:03,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4e014d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:03, skipping insertion in model container [2023-11-21 22:25:03,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:02" (2/3) ... [2023-11-21 22:25:03,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4e014d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:03, skipping insertion in model container [2023-11-21 22:25:03,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:03" (3/3) ... [2023-11-21 22:25:03,059 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2023-11-21 22:25:03,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:03,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:03,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:03,156 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=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;@6f47e0ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:03,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:03,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-21 22:25:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 22:25:03,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:03,169 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:03,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:03,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:03,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1034421533, now seen corresponding path program 1 times [2023-11-21 22:25:03,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:03,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208261331] [2023-11-21 22:25:03,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:03,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:03,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:25:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:25:03,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:25:03,337 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:25:03,338 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:25:03,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:25:03,344 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:25:03,349 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:25:03,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-21 22:25:03,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-21 22:25:03,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-21 22:25:03,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-21 22:25:03,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-21 22:25:03,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-21 22:25:03,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-21 22:25:03,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated [2023-11-21 22:25:03,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-21 22:25:03,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:25:03 BoogieIcfgContainer [2023-11-21 22:25:03,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:25:03,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:25:03,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:25:03,374 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:25:03,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:03" (3/4) ... [2023-11-21 22:25:03,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:25:03,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:25:03,379 INFO L158 Benchmark]: Toolchain (without parser) took 1069.82ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.4MB in the end (delta: 728.9kB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2023-11-21 22:25:03,379 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:03,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.12ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 93.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:25:03,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.88ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:03,381 INFO L158 Benchmark]: Boogie Preprocessor took 33.62ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:03,382 INFO L158 Benchmark]: RCFGBuilder took 357.65ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 78.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:25:03,382 INFO L158 Benchmark]: TraceAbstraction took 320.95ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 104.1MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:25:03,383 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.4MB in the end (delta: 758.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:25:03,386 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.12ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 93.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.88ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.62ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.65ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 78.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 320.95ms. Allocated memory is still 142.6MB. Free memory was 77.8MB in the beginning and 104.1MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.4MB in the end (delta: 758.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 46. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L42] CALL, EXPR f(IN) VAL [\old(x)=56] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=56] [L42] CALL, EXPR fp(IN) VAL [\old(x)=56] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=56] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) 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; [L44] RET, EXPR f(x) VAL [IN=56, x=53] [L44] CALL, EXPR fp(x) 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; [L44] RET, EXPR fp(x) VAL [IN=56, x=53] [L44] x = x - f(x)/fp(x) [L46] 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; [L46] RET, EXPR f(x) VAL [IN=56, x=55] [L46] 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; [L46] RET, EXPR fp(x) VAL [IN=56, x=55] [L46] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=56] [L51] reach_error() VAL [IN=56] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:25:03,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx --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 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:06,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:06,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:25:06,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:06,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:06,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:06,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:06,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:06,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:06,200 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:06,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:06,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:06,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:06,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:06,204 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:06,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:06,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:06,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:25:06,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:25:06,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:06,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:06,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:06,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:06,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:25:06,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:25:06,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:25:06,211 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:25:06,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:06,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:06,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:06,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:06,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:06,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:06,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:06,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:06,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:06,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:06,219 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:25:06,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:25:06,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:06,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:06,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:06,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:06,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:06,221 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:25:06,221 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d5c9a042714ec99fe52d86211c8b4da5d2ba3d5759e35d6939f68d62f0ae59d [2023-11-21 22:25:06,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:06,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:06,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:06,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:06,680 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:06,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2023-11-21 22:25:09,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:10,015 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:10,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/sv-benchmarks/c/floats-cdfpl/newton_3_8.i [2023-11-21 22:25:10,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data/046645b83/e1a6c47579c447b285c9e195de80dd9f/FLAG04520c579 [2023-11-21 22:25:10,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/data/046645b83/e1a6c47579c447b285c9e195de80dd9f [2023-11-21 22:25:10,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:10,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:10,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:10,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:10,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:10,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6018099e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10, skipping insertion in model container [2023-11-21 22:25:10,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:10,272 WARN L240 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_03e262b8-cba6-45ed-83b6-8f039d2ca35f/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2023-11-21 22:25:10,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:10,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:10,337 WARN L240 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_03e262b8-cba6-45ed-83b6-8f039d2ca35f/sv-benchmarks/c/floats-cdfpl/newton_3_8.i[1764,1777] [2023-11-21 22:25:10,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:10,358 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:10,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10 WrapperNode [2023-11-21 22:25:10,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:10,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:10,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:10,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:10,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,414 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-11-21 22:25:10,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:10,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:10,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:10,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:10,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,440 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,456 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:25:10,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:10,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:10,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:10,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:10,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (1/1) ... [2023-11-21 22:25:10,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:10,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:10,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:10,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-21 22:25:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-21 22:25:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:25:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-21 22:25:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-21 22:25:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:10,671 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:10,673 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:19,784 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:19,857 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:19,861 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:25:19,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:19 BoogieIcfgContainer [2023-11-21 22:25:19,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:19,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:19,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:19,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:19,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:10" (1/3) ... [2023-11-21 22:25:19,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413c33c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:19, skipping insertion in model container [2023-11-21 22:25:19,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:10" (2/3) ... [2023-11-21 22:25:19,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413c33c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:19, skipping insertion in model container [2023-11-21 22:25:19,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:19" (3/3) ... [2023-11-21 22:25:19,877 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_8.i [2023-11-21 22:25:19,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:19,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:19,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:19,965 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=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;@36f7df6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:19,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:19,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-21 22:25:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 22:25:19,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:19,980 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:25:19,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:19,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:19,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1034421533, now seen corresponding path program 1 times [2023-11-21 22:25:19,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:25:19,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775633945] [2023-11-21 22:25:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:19,999 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 [2023-11-21 22:25:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:25:20,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:25:20,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e262b8-cba6-45ed-83b6-8f039d2ca35f/bin/uautomizer-verify-bycVGegfSx/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