./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu --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 1d77f189616851dfc2a9becddf3926b3a4d1b6826934ea34b3559c7d217e0a16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:32:45,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:32:45,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:32:45,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:32:45,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:32:45,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:32:45,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:32:45,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:32:45,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:32:45,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:32:45,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:32:45,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:32:45,663 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:32:45,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:32:45,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:32:45,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:32:45,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:32:45,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:32:45,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:32:45,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:32:45,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:32:45,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:32:45,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:32:45,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:32:45,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:32:45,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:32:45,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:32:45,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:32:45,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:45,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:32:45,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:32:45,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:32:45,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:32:45,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:32:45,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:32:45,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:32:45,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:32:45,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:32:45,683 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:32:45,684 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_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d77f189616851dfc2a9becddf3926b3a4d1b6826934ea34b3559c7d217e0a16 [2023-11-19 07:32:45,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:32:46,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:32:46,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:32:46,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:32:46,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:32:46,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2023-11-19 07:32:49,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:32:49,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:32:49,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2023-11-19 07:32:49,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data/f7455e91f/8b31f9dd29804f949697c235cae519ed/FLAG8054ea0c2 [2023-11-19 07:32:49,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data/f7455e91f/8b31f9dd29804f949697c235cae519ed [2023-11-19 07:32:49,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:32:49,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:32:49,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:49,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:32:49,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:32:49,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338548e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49, skipping insertion in model container [2023-11-19 07:32:49,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:32:49,668 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_85245899-9890-45be-92bd-86ed8a939a04/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c[2282,2295] [2023-11-19 07:32:49,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:49,684 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:32:49,720 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_85245899-9890-45be-92bd-86ed8a939a04/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c[2282,2295] [2023-11-19 07:32:49,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:49,735 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:32:49,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49 WrapperNode [2023-11-19 07:32:49,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:49,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:49,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:32:49,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:32:49,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,785 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 176 [2023-11-19 07:32:49,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:49,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:32:49,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:32:49,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:32:49,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:32:49,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:32:49,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:32:49,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:32:49,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (1/1) ... [2023-11-19 07:32:49,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:49,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:49,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:49,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:32:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:32:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:32:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:32:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:32:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:32:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 07:32:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:32:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:32:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:32:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:32:50,037 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:32:50,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:32:50,473 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:32:50,482 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:32:50,485 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:32:50,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:50 BoogieIcfgContainer [2023-11-19 07:32:50,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:32:50,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:32:50,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:32:50,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:32:50,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:32:49" (1/3) ... [2023-11-19 07:32:50,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46608e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:50, skipping insertion in model container [2023-11-19 07:32:50,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:49" (2/3) ... [2023-11-19 07:32:50,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46608e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:50, skipping insertion in model container [2023-11-19 07:32:50,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:50" (3/3) ... [2023-11-19 07:32:50,506 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2023-11-19 07:32:50,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:32:50,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:32:50,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:32:50,586 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;@2ba4ea05, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:32:50,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:32:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 52 states have internal predecessors, (84), 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) [2023-11-19 07:32:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:32:50,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:32:50,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:32:50,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:32:50,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:50,607 INFO L85 PathProgramCache]: Analyzing trace with hash -671620249, now seen corresponding path program 1 times [2023-11-19 07:32:50,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:32:50,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225284204] [2023-11-19 07:32:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:32:50,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:32:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:32:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:32:50,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:32:50,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225284204] [2023-11-19 07:32:50,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225284204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:32:50,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:32:50,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:32:50,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357676072] [2023-11-19 07:32:50,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:32:50,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:32:50,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:32:50,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:32:50,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:32:50,854 INFO L87 Difference]: Start difference. First operand has 53 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 52 states have internal predecessors, (84), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-19 07:32:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:32:50,877 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2023-11-19 07:32:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:32:50,882 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2023-11-19 07:32:50,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:32:50,892 INFO L225 Difference]: With dead ends: 104 [2023-11-19 07:32:50,893 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 07:32:50,896 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 [2023-11-19 07:32:50,900 INFO L413 NwaCegarLoop]: 76 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, 76 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 [2023-11-19 07:32:50,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:32:50,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 07:32:50,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 07:32:50,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.489795918367347) internal successors, (73), 49 states have internal predecessors, (73), 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) [2023-11-19 07:32:50,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2023-11-19 07:32:50,943 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 12 [2023-11-19 07:32:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:32:50,944 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2023-11-19 07:32:50,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-19 07:32:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2023-11-19 07:32:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:32:50,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:32:50,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:32:50,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:32:50,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:32:50,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:50,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1366059242, now seen corresponding path program 1 times [2023-11-19 07:32:50,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:32:50,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366664139] [2023-11-19 07:32:50,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:32:50,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:32:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:32:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:32:51,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:32:51,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366664139] [2023-11-19 07:32:51,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366664139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:32:51,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:32:51,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:32:51,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949263241] [2023-11-19 07:32:51,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:32:51,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:32:51,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:32:51,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:32:51,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:32:51,175 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-19 07:32:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:32:51,268 INFO L93 Difference]: Finished difference Result 99 states and 143 transitions. [2023-11-19 07:32:51,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:32:51,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2023-11-19 07:32:51,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:32:51,270 INFO L225 Difference]: With dead ends: 99 [2023-11-19 07:32:51,271 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 07:32:51,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:32:51,273 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 7 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:32:51,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 186 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:32:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 07:32:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2023-11-19 07:32:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 53 states have internal predecessors, (77), 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) [2023-11-19 07:32:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 77 transitions. [2023-11-19 07:32:51,284 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 77 transitions. Word has length 13 [2023-11-19 07:32:51,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:32:51,284 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 77 transitions. [2023-11-19 07:32:51,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-19 07:32:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2023-11-19 07:32:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 07:32:51,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:32:51,289 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:32:51,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:32:51,289 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:32:51,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:51,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1800102870, now seen corresponding path program 1 times [2023-11-19 07:32:51,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:32:51,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124007538] [2023-11-19 07:32:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:32:51,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:32:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:51,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:32:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:32:51,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:32:51,422 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:32:51,424 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:32:51,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:32:51,430 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:32:51,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:32:51,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 07:32:51,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-19 07:32:51,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:32:51 BoogieIcfgContainer [2023-11-19 07:32:51,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:32:51,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:32:51,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:32:51,471 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:32:51,472 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:50" (3/4) ... [2023-11-19 07:32:51,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:32:51,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:32:51,479 INFO L158 Benchmark]: Toolchain (without parser) took 2046.13ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 93.6MB in the beginning and 89.8MB in the end (delta: 3.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-11-19 07:32:51,479 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:51,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.63ms. Allocated memory is still 125.8MB. Free memory was 93.6MB in the beginning and 81.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:32:51,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.88ms. Allocated memory is still 125.8MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:32:51,492 INFO L158 Benchmark]: Boogie Preprocessor took 44.34ms. Allocated memory is still 125.8MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:51,493 INFO L158 Benchmark]: RCFGBuilder took 658.51ms. Allocated memory is still 125.8MB. Free memory was 78.0MB in the beginning and 59.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:32:51,493 INFO L158 Benchmark]: TraceAbstraction took 976.96ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 89.8MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:51,493 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 151.0MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:51,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.63ms. Allocated memory is still 125.8MB. Free memory was 93.6MB in the beginning and 81.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.88ms. Allocated memory is still 125.8MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.34ms. Allocated memory is still 125.8MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 658.51ms. Allocated memory is still 125.8MB. Free memory was 78.0MB in the beginning and 59.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 976.96ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 89.8MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 151.0MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short20 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: 93]: 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 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45. Possible FailurePath: [L88] double x = 0.0; [L89] CALL, EXPR round_double(x) [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; VAL [\old(x)=0, x=0] [L23] ieee_double_shape_type ew_u; [L24] EXPR ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] EXPR (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] EXPR (lsw) = ew_u.parts.lsw [L22-L27] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=0, lsw=2146435073, msw=2146435072, x=0] [L28] EXPR msw & 0x7ff00000 VAL [\old(x)=0, lsw=2146435073, msw=2146435072, x=0] [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L29] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=0, exponent_less_1023=1024, lsw=2146435073, msw=2146435072, x=0] [L43] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=0, exponent_less_1023=1024, lsw=2146435073, msw=2146435072, x=0] [L44] COND TRUE exponent_less_1023 == 1024 [L45] return x + x; VAL [\old(x)=0, exponent_less_1023=1024, lsw=2146435073, msw=2146435072, x=0] [L89] RET, EXPR round_double(x) [L89] double res = round_double(x); [L92] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [res=6441402377, x=0] [L92] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L93] reach_error() VAL [res=6441402377, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 262 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 146 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 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 [2023-11-19 07:32:51,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu --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 1d77f189616851dfc2a9becddf3926b3a4d1b6826934ea34b3559c7d217e0a16 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:32:54,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:32:54,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:32:54,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:32:54,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:32:54,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:32:54,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:32:54,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:32:54,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:32:54,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:32:54,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:32:54,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:32:54,632 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:32:54,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:32:54,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:32:54,636 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:32:54,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:32:54,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:32:54,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:32:54,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:32:54,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:32:54,639 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:32:54,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:32:54,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:32:54,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:32:54,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:32:54,642 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:32:54,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:32:54,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:32:54,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:32:54,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:54,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:32:54,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:32:54,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:32:54,646 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:32:54,646 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:32:54,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:32:54,647 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:32:54,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:32:54,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:32:54,649 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:32:54,649 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:32:54,649 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_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d77f189616851dfc2a9becddf3926b3a4d1b6826934ea34b3559c7d217e0a16 [2023-11-19 07:32:55,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:32:55,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:32:55,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:32:55,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:32:55,139 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:32:55,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2023-11-19 07:32:58,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:32:58,714 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:32:58,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c [2023-11-19 07:32:58,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data/f39c43960/0fa254ff44e04a1e87b9ca36b18a4d0a/FLAG3374605f5 [2023-11-19 07:32:58,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/data/f39c43960/0fa254ff44e04a1e87b9ca36b18a4d0a [2023-11-19 07:32:58,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:32:58,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:32:58,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:58,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:32:58,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:32:58,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:58" (1/1) ... [2023-11-19 07:32:58,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6b4b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:58, skipping insertion in model container [2023-11-19 07:32:58,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:58" (1/1) ... [2023-11-19 07:32:58,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:32:58,976 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_85245899-9890-45be-92bd-86ed8a939a04/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c[2282,2295] [2023-11-19 07:32:58,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:59,022 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:32:59,076 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_85245899-9890-45be-92bd-86ed8a939a04/sv-benchmarks/c/float-newlib/double_req_bl_1032a.c[2282,2295] [2023-11-19 07:32:59,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:59,114 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:32:59,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59 WrapperNode [2023-11-19 07:32:59,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:59,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:59,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:32:59,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:32:59,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,195 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-19 07:32:59,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:59,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:32:59,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:32:59,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:32:59,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:32:59,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:32:59,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:32:59,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:32:59,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (1/1) ... [2023-11-19 07:32:59,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:59,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:59,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:59,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:32:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:32:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 07:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 07:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:32:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:32:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:32:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:32:59,518 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:32:59,521 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:32:59,912 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:32:59,919 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:32:59,919 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:32:59,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:59 BoogieIcfgContainer [2023-11-19 07:32:59,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:32:59,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:32:59,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:32:59,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:32:59,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:32:58" (1/3) ... [2023-11-19 07:32:59,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2849df6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:59, skipping insertion in model container [2023-11-19 07:32:59,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:59" (2/3) ... [2023-11-19 07:32:59,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2849df6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:59, skipping insertion in model container [2023-11-19 07:32:59,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:59" (3/3) ... [2023-11-19 07:32:59,951 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032a.c [2023-11-19 07:32:59,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:32:59,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:33:00,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:33:00,040 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;@37bcae8b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:33:00,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:33:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 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) [2023-11-19 07:33:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:33:00,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:00,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:00,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:33:00,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2023-11-19 07:33:00,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:33:00,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036535950] [2023-11-19 07:33:00,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:00,078 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 [2023-11-19 07:33:00,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:33:00,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:33:00,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:33:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:00,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:33:00,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:33:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:00,211 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:33:00,212 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:33:00,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036535950] [2023-11-19 07:33:00,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036535950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:00,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:00,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:33:00,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11154777] [2023-11-19 07:33:00,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:00,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:33:00,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:33:00,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:33:00,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:33:00,255 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 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) [2023-11-19 07:33:00,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:00,274 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2023-11-19 07:33:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:33:00,277 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 [2023-11-19 07:33:00,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:00,286 INFO L225 Difference]: With dead ends: 58 [2023-11-19 07:33:00,286 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 07:33:00,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:33:00,293 INFO L413 NwaCegarLoop]: 38 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, 38 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 [2023-11-19 07:33:00,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 07:33:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 07:33:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 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) [2023-11-19 07:33:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2023-11-19 07:33:00,331 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2023-11-19 07:33:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:00,332 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2023-11-19 07:33:00,333 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) [2023-11-19 07:33:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-19 07:33:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 07:33:00,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:00,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:00,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:33:00,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:33:00,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:33:00,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2023-11-19 07:33:00,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:33:00,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315703889] [2023-11-19 07:33:00,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:00,547 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 [2023-11-19 07:33:00,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:33:00,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:33:00,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:33:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:00,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:33:00,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:33:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:00,871 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:33:00,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:33:00,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315703889] [2023-11-19 07:33:00,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315703889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:00,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:00,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:00,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949180059] [2023-11-19 07:33:00,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:00,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:00,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:33:00,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:00,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:00,876 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-19 07:33:01,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:01,066 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2023-11-19 07:33:01,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:01,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2023-11-19 07:33:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:01,072 INFO L225 Difference]: With dead ends: 40 [2023-11-19 07:33:01,072 INFO L226 Difference]: Without dead ends: 21 [2023-11-19 07:33:01,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:01,074 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 20 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:01,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:33:01,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-19 07:33:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-19 07:33:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 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) [2023-11-19 07:33:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-11-19 07:33:01,081 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2023-11-19 07:33:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:01,083 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2023-11-19 07:33:01,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-19 07:33:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-11-19 07:33:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 07:33:01,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:01,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:01,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:33:01,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:33:01,289 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:33:01,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:01,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1282802547, now seen corresponding path program 1 times [2023-11-19 07:33:01,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:33:01,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993178656] [2023-11-19 07:33:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:01,291 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 [2023-11-19 07:33:01,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:33:01,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:33:01,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 (4)] Waiting until timeout for monitored process [2023-11-19 07:33:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:01,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:33:01,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:33:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:01,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:33:01,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:33:01,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993178656] [2023-11-19 07:33:01,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993178656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:01,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:01,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:33:01,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930210951] [2023-11-19 07:33:01,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:01,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:33:01,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:33:01,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:33:01,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:33:01,676 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 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) [2023-11-19 07:33:01,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:01,922 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2023-11-19 07:33:01,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:33:01,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 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) Word has length 16 [2023-11-19 07:33:01,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:01,925 INFO L225 Difference]: With dead ends: 24 [2023-11-19 07:33:01,925 INFO L226 Difference]: Without dead ends: 21 [2023-11-19 07:33:01,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:33:01,927 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 27 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:01,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 47 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:33:01,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-19 07:33:01,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-19 07:33:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 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) [2023-11-19 07:33:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2023-11-19 07:33:01,941 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2023-11-19 07:33:01,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:01,942 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2023-11-19 07:33:01,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 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) [2023-11-19 07:33:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2023-11-19 07:33:01,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 07:33:01,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:01,946 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:01,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:33:02,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:33:02,151 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:33:02,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:02,154 INFO L85 PathProgramCache]: Analyzing trace with hash 218634850, now seen corresponding path program 1 times [2023-11-19 07:33:02,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:33:02,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663045483] [2023-11-19 07:33:02,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:02,156 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 [2023-11-19 07:33:02,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:33:02,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:33:02,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 (5)] Waiting until timeout for monitored process [2023-11-19 07:33:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:02,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 07:33:02,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:33:02,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:33:02,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-19 07:33:02,719 INFO L349 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2023-11-19 07:33:02,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 34 [2023-11-19 07:33:03,787 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:33:03,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 146 treesize of output 127 [2023-11-19 07:33:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:06,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:33:06,307 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:33:06,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663045483] [2023-11-19 07:33:06,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663045483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:06,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:06,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-19 07:33:06,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764279484] [2023-11-19 07:33:06,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:06,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 07:33:06,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:33:06,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 07:33:06,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:33:06,309 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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) [2023-11-19 07:33:09,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 07:33:11,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 07:33:12,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:12,720 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2023-11-19 07:33:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:33:12,720 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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 20 [2023-11-19 07:33:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:12,721 INFO L225 Difference]: With dead ends: 21 [2023-11-19 07:33:12,721 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:33:12,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-19 07:33:12,723 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 24 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:12,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 53 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2023-11-19 07:33:12,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:33:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:33:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-19 07:33:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:33:12,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2023-11-19 07:33:12,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:12,725 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:33:12,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 states have internal predecessors, (20), 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) [2023-11-19 07:33:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:33:12,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:33:12,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:33:12,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:33:12,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:33:12,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:33:13,241 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-11-19 07:33:13,242 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 47) no Hoare annotation was computed. [2023-11-19 07:33:13,242 INFO L899 garLoopResultBuilder]: For program point round_double_returnLabel#1(lines 19 66) no Hoare annotation was computed. [2023-11-19 07:33:13,242 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 80 98) no Hoare annotation was computed. [2023-11-19 07:33:13,242 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 33) no Hoare annotation was computed. [2023-11-19 07:33:13,242 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:33:13,242 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2023-11-19 07:33:13,243 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:33:13,243 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 93) no Hoare annotation was computed. [2023-11-19 07:33:13,243 INFO L899 garLoopResultBuilder]: For program point __signbit_double_returnLabel#1(lines 68 78) no Hoare annotation was computed. [2023-11-19 07:33:13,243 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2023-11-19 07:33:13,243 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:33:13,244 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 58) no Hoare annotation was computed. [2023-11-19 07:33:13,244 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2023-11-19 07:33:13,244 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2023-11-19 07:33:13,244 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:33:13,244 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2023-11-19 07:33:13,245 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 75) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short10#1| (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11|))) (let ((.cse1 (select .cse2 (_ bv4 32)))) (and (= |ULTIMATE.start_main_~res~0#1| (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)))))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|))))) (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|))) (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse5 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11|))) (let ((.cse3 (select .cse5 (_ bv4 32)))) (and (= .cse3 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (= (let ((.cse4 (concat .cse3 (select .cse5 (_ bv0 32))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_round_double_#res#1|))))))) (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11| (_ BitVec 32))) (let ((.cse8 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11|))) (let ((.cse6 (select .cse8 (_ bv4 32)))) (and (= .cse6 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (= (let ((.cse7 (concat .cse6 (select .cse8 (_ bv0 32))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) |ULTIMATE.start___signbit_double_~x#1|))))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|))))) (exists ((|v_ULTIMATE.start_round_double_~msw~0#1_17| (_ BitVec 32))) (= (let ((.cse9 (concat (bvand |v_ULTIMATE.start_round_double_~msw~0#1_17| (_ bv2147483648 32)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse9) ((_ extract 62 52) .cse9) ((_ extract 51 0) .cse9))) |ULTIMATE.start_round_double_#res#1|))) [2023-11-19 07:33:13,245 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2023-11-19 07:33:13,245 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 42) no Hoare annotation was computed. [2023-11-19 07:33:13,245 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-19 07:33:13,245 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 64) no Hoare annotation was computed. [2023-11-19 07:33:13,246 INFO L895 garLoopResultBuilder]: At program point L59-1(lines 59 64) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 64))) (and (= (bvashr (bvand ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_6|) (_ bv2146435072 32)) (_ bv20 32)) (bvadd (_ bv1023 32) |ULTIMATE.start_round_double_~exponent_less_1023~0#1|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_6|)) (_ +zero 11 53)))) (= (_ +zero 11 53) |ULTIMATE.start_round_double_~x#1|) (exists ((|v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_10|)) (= .cse1 |ULTIMATE.start_round_double_~msw~0#1|) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|))))))) (= |ULTIMATE.start_round_double_~lsw~0#1| (_ bv0 32))) [2023-11-19 07:33:13,246 INFO L899 garLoopResultBuilder]: For program point L92-2(lines 92 95) no Hoare annotation was computed. [2023-11-19 07:33:13,246 INFO L899 garLoopResultBuilder]: For program point L59-2(lines 59 64) no Hoare annotation was computed. [2023-11-19 07:33:13,246 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2023-11-19 07:33:13,246 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 27) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start_round_double_~x#1|) [2023-11-19 07:33:13,247 INFO L899 garLoopResultBuilder]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2023-11-19 07:33:13,247 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2023-11-19 07:33:13,247 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 58) no Hoare annotation was computed. [2023-11-19 07:33:13,254 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:33:13,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:33:13,280 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short10 could not be translated [2023-11-19 07:33:13,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32 :: ~res~0 == ~fp~64((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[51:0]) && #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated [2023-11-19 07:33:13,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_10 : bv64 :: ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]) && (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32 :: #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~64((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[51:0]) == #res)) could not be translated [2023-11-19 07:33:13,282 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32 :: #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~64((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[51:0]) == ~x) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated [2023-11-19 07:33:13,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_double_~msw~0#1_17 : bv32 :: ~fp~64((~bvand~32(v_ULTIMATE.start_round_double_~msw~0#1_17, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(v_ULTIMATE.start_round_double_~msw~0#1_17, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(v_ULTIMATE.start_round_double_~msw~0#1_17, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated [2023-11-19 07:33:13,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_6 : bv64 :: ~bvashr~32(~bvand~32(v_skolemized_q#valueAsBitvector_6[63:32], 2146435072bv32), 20bv32) == ~bvadd~32(1023bv32, ~exponent_less_1023~0) && ~fp~64(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~Pluszero~64()) could not be translated [2023-11-19 07:33:13,291 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-19 07:33:13,300 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_10 : bv64 :: ((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_10[31:0] && #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == ~msw~0) && #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated [2023-11-19 07:33:13,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-19 07:33:13,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:33:13 BoogieIcfgContainer [2023-11-19 07:33:13,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:33:13,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:33:13,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:33:13,307 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:33:13,308 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:59" (3/4) ... [2023-11-19 07:33:13,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:33:13,323 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 07:33:13,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 07:33:13,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:33:13,325 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:33:13,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:33:13,512 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:33:13,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:33:13,513 INFO L158 Benchmark]: Toolchain (without parser) took 14771.50ms. Allocated memory was 71.3MB in the beginning and 111.1MB in the end (delta: 39.8MB). Free memory was 39.2MB in the beginning and 84.5MB in the end (delta: -45.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:13,513 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:33:13,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.70ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 48.4MB in the end (delta: -9.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 07:33:13,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.48ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 46.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:13,515 INFO L158 Benchmark]: Boogie Preprocessor took 76.79ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 44.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:13,515 INFO L158 Benchmark]: RCFGBuilder took 666.30ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 70.4MB in the end (delta: -25.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-19 07:33:13,516 INFO L158 Benchmark]: TraceAbstraction took 13362.90ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 70.0MB in the beginning and 36.2MB in the end (delta: 33.8MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-11-19 07:33:13,516 INFO L158 Benchmark]: Witness Printer took 205.37ms. Allocated memory is still 111.1MB. Free memory was 36.2MB in the beginning and 84.5MB in the end (delta: -48.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:33:13,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.70ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 48.4MB in the end (delta: -9.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.48ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 46.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.79ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 44.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.30ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 70.4MB in the end (delta: -25.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13362.90ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 70.0MB in the beginning and 36.2MB in the end (delta: 33.8MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Witness Printer took 205.37ms. Allocated memory is still 111.1MB. Free memory was 36.2MB in the beginning and 84.5MB in the end (delta: -48.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32 :: ~res~0 == ~fp~64((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[51:0]) && #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_10 : bv64 :: ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]) && (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32 :: #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~64((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[51:0]) == #res)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_10 : bv64 :: (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32 :: #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~64((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[63:63], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[62:52], (#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] ++ #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32])[51:0]) == ~x) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_double_~msw~0#1_17 : bv32 :: ~fp~64((~bvand~32(v_ULTIMATE.start_round_double_~msw~0#1_17, 2147483648bv32) ++ 0bv32)[63:63], (~bvand~32(v_ULTIMATE.start_round_double_~msw~0#1_17, 2147483648bv32) ++ 0bv32)[62:52], (~bvand~32(v_ULTIMATE.start_round_double_~msw~0#1_17, 2147483648bv32) ++ 0bv32)[51:0]) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_6 : bv64 :: ~bvashr~32(~bvand~32(v_skolemized_q#valueAsBitvector_6[63:32], 2146435072bv32), 20bv32) == ~bvadd~32(1023bv32, ~exponent_less_1023~0) && ~fp~64(v_skolemized_q#valueAsBitvector_6[63:63], v_skolemized_q#valueAsBitvector_6[62:52], v_skolemized_q#valueAsBitvector_6[51:0]) == ~Pluszero~64()) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_10 : bv64 :: ((#memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_10[31:0] && #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == ~msw~0) && #memory_int[v_ULTIMATE.start_round_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_10[63:32]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 * 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 - PositiveResult [Line: 93]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 74 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 269 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 433 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 24 QuantifiedInterpolants, 1563 SizeOfPredicates, 26 NumberOfNonLiveVariables, 203 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (lsw == 0) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-19 07:33:13,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85245899-9890-45be-92bd-86ed8a939a04/bin/uautomizer-verify-uCwYo4JHxu/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: TRUE