./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c5bb845798e00aa3572bfadf1cd4653d0b05182832339d0260ef999baa89392 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:31,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:32,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 21:59:32,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:32,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:32,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:32,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:32,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:32,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:32,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:32,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:32,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:32,095 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:32,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:32,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:32,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:32,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:59:32,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:32,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:32,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:32,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:32,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:32,102 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:32,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:32,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:32,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:32,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:32,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:32,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:32,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:32,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:32,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:32,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:59:32,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:59:32,110 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:32,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:32,110 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:32,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:32,111 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:32,111 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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5bb845798e00aa3572bfadf1cd4653d0b05182832339d0260ef999baa89392 [2023-11-06 21:59:32,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:32,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:32,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:32,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:32,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:32,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-benchs/inv_Newton-1.c [2023-11-06 21:59:35,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:36,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:36,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/sv-benchmarks/c/float-benchs/inv_Newton-1.c [2023-11-06 21:59:36,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data/af896c752/76a4afa9d6bc4d029f64dc1f75648e65/FLAGa1475328c [2023-11-06 21:59:36,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data/af896c752/76a4afa9d6bc4d029f64dc1f75648e65 [2023-11-06 21:59:36,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:36,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:36,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:36,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:36,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:36,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a63320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36, skipping insertion in model container [2023-11-06 21:59:36,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:36,289 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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2023-11-06 21:59:36,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:36,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:36,332 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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2023-11-06 21:59:36,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:36,358 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:36,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36 WrapperNode [2023-11-06 21:59:36,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:36,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:36,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:36,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:36,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,400 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76 [2023-11-06 21:59:36,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:36,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:36,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:36,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:36,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:36,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:36,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:36,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:36,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (1/1) ... [2023-11-06 21:59:36,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:36,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:36,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:36,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:59:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:59:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 21:59:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:59:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 21:59:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:59:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:59:36,586 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:36,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:36,772 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:36,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:36,778 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:36,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:36 BoogieIcfgContainer [2023-11-06 21:59:36,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:36,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:36,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:36,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:36,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:36" (1/3) ... [2023-11-06 21:59:36,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c45ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:36, skipping insertion in model container [2023-11-06 21:59:36,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:36" (2/3) ... [2023-11-06 21:59:36,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c45ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:36, skipping insertion in model container [2023-11-06 21:59:36,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:36" (3/3) ... [2023-11-06 21:59:36,795 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_Newton-1.c [2023-11-06 21:59:36,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:36,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:36,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:36,863 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@272a0098, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:36,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:36,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 21:59:36,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:36,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:36,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:36,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash 486064980, now seen corresponding path program 1 times [2023-11-06 21:59:36,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:36,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565537430] [2023-11-06 21:59:36,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:36,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:59:37,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:37,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565537430] [2023-11-06 21:59:37,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565537430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:37,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:37,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:59:37,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557396625] [2023-11-06 21:59:37,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:37,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:59:37,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:37,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:59:37,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:37,135 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:37,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:37,152 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2023-11-06 21:59:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:59:37,155 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-06 21:59:37,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:37,163 INFO L225 Difference]: With dead ends: 31 [2023-11-06 21:59:37,163 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 21:59:37,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:59:37,171 INFO L413 NwaCegarLoop]: 19 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, 19 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 [2023-11-06 21:59:37,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:37,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 21:59:37,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-06 21:59:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-11-06 21:59:37,202 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 11 [2023-11-06 21:59:37,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:37,203 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-11-06 21:59:37,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-06 21:59:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 21:59:37,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:37,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:37,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:59:37,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:37,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:37,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1162429266, now seen corresponding path program 1 times [2023-11-06 21:59:37,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:37,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474555049] [2023-11-06 21:59:37,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:59:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:59:37,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:59:37,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474555049] [2023-11-06 21:59:37,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474555049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:59:37,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:59:37,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:59:37,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849666865] [2023-11-06 21:59:37,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:59:37,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:59:37,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:59:37,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:59:37,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:59:37,392 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:37,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:59:37,414 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-06 21:59:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:59:37,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-06 21:59:37,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:59:37,416 INFO L225 Difference]: With dead ends: 19 [2023-11-06 21:59:37,416 INFO L226 Difference]: Without dead ends: 14 [2023-11-06 21:59:37,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:59:37,418 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:59:37,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:59:37,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-06 21:59:37,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-06 21:59:37,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-11-06 21:59:37,424 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2023-11-06 21:59:37,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:59:37,424 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-11-06 21:59:37,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-06 21:59:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 21:59:37,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:37,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:37,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:59:37,427 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:37,427 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:37,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1727223568, now seen corresponding path program 1 times [2023-11-06 21:59:37,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:59:37,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220981034] [2023-11-06 21:59:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:37,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:59:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:37,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:59:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:59:37,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:59:37,608 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:59:37,609 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 21:59:37,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:59:37,615 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 21:59:37,619 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:59:37,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:59:37 BoogieIcfgContainer [2023-11-06 21:59:37,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:59:37,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:59:37,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:59:37,647 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:59:37,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:36" (3/4) ... [2023-11-06 21:59:37,649 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:59:37,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:59:37,651 INFO L158 Benchmark]: Toolchain (without parser) took 1567.17ms. Allocated memory is still 184.5MB. Free memory was 147.2MB in the beginning and 81.5MB in the end (delta: 65.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:37,652 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 184.5MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:37,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.53ms. Allocated memory is still 184.5MB. Free memory was 146.5MB in the beginning and 136.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:59:37,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.61ms. Allocated memory is still 184.5MB. Free memory was 136.0MB in the beginning and 133.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:37,653 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 184.5MB. Free memory was 133.9MB in the beginning and 132.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:37,654 INFO L158 Benchmark]: RCFGBuilder took 343.42ms. Allocated memory is still 184.5MB. Free memory was 132.7MB in the beginning and 120.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:59:37,654 INFO L158 Benchmark]: TraceAbstraction took 856.42ms. Allocated memory is still 184.5MB. Free memory was 120.1MB in the beginning and 81.5MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-06 21:59:37,655 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 184.5MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:37,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 184.5MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.53ms. Allocated memory is still 184.5MB. Free memory was 146.5MB in the beginning and 136.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.61ms. Allocated memory is still 184.5MB. Free memory was 136.0MB in the beginning and 133.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 184.5MB. Free memory was 133.9MB in the beginning and 132.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 343.42ms. Allocated memory is still 184.5MB. Free memory was 132.7MB in the beginning and 120.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 856.42ms. Allocated memory is still 184.5MB. Free memory was 120.1MB in the beginning and 81.5MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 184.5MB. Free memory is still 81.5MB. 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: 16]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of to_real at line 31, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36. Possible FailurePath: [L46] double a,r; [L48] a = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not(a >= 20. && a <= 30.) [L14] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L49] RET assume_abort_if_not(a >= 20. && a <= 30.) [L51] CALL, EXPR inv(a) [L26] double xi, xsi, temp; [L27] signed int cond, exp; [L28] union double_int A_u, xi_u; [L29] A_u.d = A [L30] EXPR A_u.i VAL [A=9214364837600034829, A_u.i=0, A_u={5:0}, \old(A)=9214364837600034829, xi_u={4:0}] [L30] EXPR A_u.i & 0x7FF0000000000000 VAL [A=9214364837600034829, A_u.i & 0x7FF0000000000000=0, A_u.i=0, A_u={5:0}, \old(A)=9214364837600034829, xi_u={4:0}] [L30] exp = (signed int) ((A_u.i & 0x7FF0000000000000) >> 52) - 1023 [L31] xi_u.d = 1 [L32] xi_u.i = (((long long)(1023-exp)) << 52) [L33] EXPR xi_u.d [L33] xi = xi_u.d [L34] cond = 1 VAL [A=9214364837600034829, A_u={5:0}, \old(A)=9214364837600034829, cond=1, exp=-1023, xi=9214364837600034831, xi_u={4:0}] [L35] COND TRUE \read(cond) [L36] xsi = 2*xi-A*xi*xi [L37] temp = xsi-xi [L38] cond = ((temp > 1e-10) || (temp < -1e-10)) [L39] xi = xsi VAL [A=9214364837600034829, A_u={5:0}, \old(A)=9214364837600034829, cond=0, exp=-1023, xi=9214364837600034830, xi_u={4:0}, xsi=9214364837600034830] [L35] COND FALSE !(\read(cond)) VAL [A=9214364837600034829, A_u={5:0}, \old(A)=9214364837600034829, cond=0, exp=-1023, xi=9214364837600034830, xi_u={4:0}, xsi=9214364837600034830] [L41] return xi; [L41] return xi; [L41] return xi; VAL [A=9214364837600034829, \old(A)=9214364837600034829, \result=9214364837600034830, cond=0, exp=-1023, xi=9214364837600034830, xsi=9214364837600034830] [L51] RET, EXPR inv(a) [L51] r = inv(a) [L53] CALL __VERIFIER_assert(r >= 0 && r <= 0.06) [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L16] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2023-11-06 21:59:37,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c5bb845798e00aa3572bfadf1cd4653d0b05182832339d0260ef999baa89392 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:59:40,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:59:40,831 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 21:59:40,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:59:40,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:59:40,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:59:40,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:59:40,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:59:40,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:59:40,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:59:40,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:59:40,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:59:40,904 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:59:40,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:59:40,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:59:40,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:59:40,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:59:40,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:59:40,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:59:40,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:59:40,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:59:40,912 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:59:40,912 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:59:40,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:59:40,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:59:40,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:59:40,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:59:40,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:59:40,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:59:40,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:59:40,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:40,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:59:40,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:59:40,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:59:40,918 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 21:59:40,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:59:40,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:59:40,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:59:40,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:59:40,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:59:40,921 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 21:59:40,921 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:59:40,922 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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5bb845798e00aa3572bfadf1cd4653d0b05182832339d0260ef999baa89392 [2023-11-06 21:59:41,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:59:41,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:59:41,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:59:41,427 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:59:41,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:59:41,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-benchs/inv_Newton-1.c [2023-11-06 21:59:44,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:59:44,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:59:44,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/sv-benchmarks/c/float-benchs/inv_Newton-1.c [2023-11-06 21:59:44,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data/e11e4b93c/55249421b041408b91f21d2760f82002/FLAG2eb69fb11 [2023-11-06 21:59:44,940 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/data/e11e4b93c/55249421b041408b91f21d2760f82002 [2023-11-06 21:59:44,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:59:44,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:59:44,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:44,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:59:44,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:59:44,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bae02b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:44, skipping insertion in model container [2023-11-06 21:59:44,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:59:44" (1/1) ... [2023-11-06 21:59:44,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:59:45,167 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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2023-11-06 21:59:45,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:45,218 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:59:45,233 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_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/sv-benchmarks/c/float-benchs/inv_Newton-1.c[598,611] [2023-11-06 21:59:45,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:59:45,270 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:59:45,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45 WrapperNode [2023-11-06 21:59:45,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:59:45,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:45,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:59:45,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:59:45,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,336 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2023-11-06 21:59:45,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:59:45,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:59:45,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:59:45,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:59:45,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:59:45,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:59:45,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:59:45,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:59:45,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (1/1) ... [2023-11-06 21:59:45,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:59:45,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:59:45,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:59:45,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:59:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:59:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 21:59:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 21:59:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:59:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:59:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-06 21:59:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:59:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:59:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-06 21:59:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:59:45,708 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:59:45,711 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:59:48,080 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:59:48,086 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:59:48,086 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:59:48,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:48 BoogieIcfgContainer [2023-11-06 21:59:48,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:59:48,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:59:48,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:59:48,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:59:48,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:59:44" (1/3) ... [2023-11-06 21:59:48,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7119521c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:48, skipping insertion in model container [2023-11-06 21:59:48,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:59:45" (2/3) ... [2023-11-06 21:59:48,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7119521c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:59:48, skipping insertion in model container [2023-11-06 21:59:48,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:59:48" (3/3) ... [2023-11-06 21:59:48,100 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_Newton-1.c [2023-11-06 21:59:48,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:59:48,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:59:48,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:59:48,175 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72d15a4b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:59:48,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:59:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:59:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 21:59:48,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:59:48,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:59:48,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:59:48,193 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:59:48,193 INFO L85 PathProgramCache]: Analyzing trace with hash -590190995, now seen corresponding path program 1 times [2023-11-06 21:59:48,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 21:59:48,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840140646] [2023-11-06 21:59:48,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:59:48,206 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 [2023-11-06 21:59:48,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 21:59:48,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 21:59:48,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:59:48,374 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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)] Exception during sending of exit command (exit): Broken pipe [2023-11-06 21:59:48,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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 139 [2023-11-06 21:59:48,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 21:59:48,575 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 37 more [2023-11-06 21:59:48,580 INFO L158 Benchmark]: Toolchain (without parser) took 3635.24ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 48.1MB in the beginning and 44.6MB in the end (delta: 3.5MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-06 21:59:48,581 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:59:48,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.47ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 36.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:59:48,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.50ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:59:48,583 INFO L158 Benchmark]: Boogie Preprocessor took 112.76ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.6MB in the beginning and 69.3MB in the end (delta: -34.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-06 21:59:48,583 INFO L158 Benchmark]: RCFGBuilder took 2637.55ms. Allocated memory is still 90.2MB. Free memory was 69.3MB in the beginning and 57.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:59:48,588 INFO L158 Benchmark]: TraceAbstraction took 486.62ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 44.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:59:48,598 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 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.47ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 36.3MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.50ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.76ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.6MB in the beginning and 69.3MB in the end (delta: -34.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2637.55ms. Allocated memory is still 90.2MB. Free memory was 69.3MB in the beginning and 57.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 486.62ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 44.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 21:59:48,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b6676b3-7042-41b2-ab9a-e8c0002e1fa3/bin/uautomizer-verify-WvqO1wxjHP/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) with exit command (exit)) Received EOF on stdin. No stderr output.