./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:39:32,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:39:32,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:39:32,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:39:32,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:39:32,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:39:32,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:39:32,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:39:32,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:39:32,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:39:32,967 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:39:32,968 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:39:32,968 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:39:32,969 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:39:32,969 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:39:32,970 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:39:32,970 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:39:32,971 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:39:32,971 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:39:32,972 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:39:32,972 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:39:32,973 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:39:32,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:39:32,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:39:32,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:39:32,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:39:32,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:39:32,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:39:32,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:39:32,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:39:32,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:39:32,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:39:32,978 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:39:32,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:39:32,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:39:32,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:39:32,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:39:32,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:39:32,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:39:32,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:39:32,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:39:32,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:39:32,983 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:39:32,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:39:32,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:39:32,984 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:39:32,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:39:32,984 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 [2024-11-09 04:39:33,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:39:33,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:39:33,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:39:33,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:39:33,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:39:33,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i Unable to find full path for "g++" [2024-11-09 04:39:35,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:39:35,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:39:35,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2024-11-09 04:39:35,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data/f2b30dba2/345ac6442f4946a49593fcc8bf5da18b/FLAGa6e7679bc [2024-11-09 04:39:36,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data/f2b30dba2/345ac6442f4946a49593fcc8bf5da18b [2024-11-09 04:39:36,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:39:36,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:39:36,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:39:36,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:39:36,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:39:36,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0057f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36, skipping insertion in model container [2024-11-09 04:39:36,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:39:36,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2024-11-09 04:39:36,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:39:36,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:39:36,588 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2024-11-09 04:39:36,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:39:36,638 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:39:36,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36 WrapperNode [2024-11-09 04:39:36,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:39:36,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:39:36,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:39:36,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:39:36,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,686 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-09 04:39:36,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:39:36,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:39:36,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:39:36,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:39:36,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:39:36,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:39:36,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:39:36,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:39:36,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (1/1) ... [2024-11-09 04:39:36,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:39:36,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:39:36,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:39:36,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:39:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:39:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:39:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:39:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:39:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:39:36,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:39:36,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:39:37,258 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 04:39:37,258 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:39:37,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:39:37,504 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:39:37,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:39:37 BoogieIcfgContainer [2024-11-09 04:39:37,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:39:37,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:39:37,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:39:37,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:39:37,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:39:36" (1/3) ... [2024-11-09 04:39:37,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b52fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:39:37, skipping insertion in model container [2024-11-09 04:39:37,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:36" (2/3) ... [2024-11-09 04:39:37,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b52fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:39:37, skipping insertion in model container [2024-11-09 04:39:37,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:39:37" (3/3) ... [2024-11-09 04:39:37,523 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-51.i [2024-11-09 04:39:37,549 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:39:37,550 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:39:37,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:39:37,635 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@685ad577, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:39:37,635 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:39:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:39:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 04:39:37,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:39:37,657 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:39:37,658 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:39:37,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:39:37,665 INFO L85 PathProgramCache]: Analyzing trace with hash -542810798, now seen corresponding path program 1 times [2024-11-09 04:39:37,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:39:37,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318299884] [2024-11-09 04:39:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:37,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:39:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:39:38,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786051813] [2024-11-09 04:39:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:39:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:39:38,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:39:38,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:39:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:39:38,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:39:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:39:38,890 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:39:38,894 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:39:38,896 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:39:38,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 04:39:39,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:39:39,106 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:39:39,213 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:39:39,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:39:39 BoogieIcfgContainer [2024-11-09 04:39:39,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:39:39,220 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:39:39,220 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:39:39,220 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:39:39,221 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:39:37" (3/4) ... [2024-11-09 04:39:39,225 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:39:39,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:39:39,229 INFO L158 Benchmark]: Toolchain (without parser) took 2976.61ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 139.9MB in the beginning and 163.7MB in the end (delta: -23.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-11-09 04:39:39,230 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:39:39,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.91ms. Allocated memory is still 167.8MB. Free memory was 139.7MB in the beginning and 128.5MB in the end (delta: 11.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-09 04:39:39,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.23ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 126.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:39:39,233 INFO L158 Benchmark]: Boogie Preprocessor took 32.38ms. Allocated memory is still 167.8MB. Free memory was 126.4MB in the beginning and 125.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:39:39,234 INFO L158 Benchmark]: RCFGBuilder took 784.64ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 115.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 04:39:39,236 INFO L158 Benchmark]: TraceAbstraction took 1708.20ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 114.3MB in the beginning and 163.7MB in the end (delta: -49.4MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2024-11-09 04:39:39,238 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 201.3MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:39:39,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.91ms. Allocated memory is still 167.8MB. Free memory was 139.7MB in the beginning and 128.5MB in the end (delta: 11.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.23ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 126.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.38ms. Allocated memory is still 167.8MB. Free memory was 126.4MB in the beginning and 125.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 784.64ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 115.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1708.20ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 114.3MB in the beginning and 163.7MB in the end (delta: -49.4MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 201.3MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: 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 58, overapproximation of someUnaryDOUBLEoperation at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10.8; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = -16; [L25] double var_1_6 = 100.01; [L26] double var_1_7 = 999999999.4; [L27] double var_1_8 = 10.6; [L28] double var_1_9 = 127.5; [L29] unsigned long int var_1_10 = 1; [L30] unsigned long int var_1_11 = 2467894503; [L31] unsigned long int var_1_12 = 2565572511; [L32] unsigned long int var_1_13 = 500; [L33] unsigned long int var_1_15 = 2277019112; [L34] unsigned long int var_1_16 = 2745650083; [L35] unsigned long int var_1_17 = 8; [L36] unsigned long int last_1_var_1_17 = 8; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] CALL updateLastVariables() [L99] last_1_var_1_17 = var_1_17 [L109] RET updateLastVariables() [L110] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=-16, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L70] var_1_5 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L73] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_6=10001/100, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L74] var_1_6 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_7=4999999997/5, var_1_8=53/5, var_1_9=255/2] [L76] var_1_7 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_8=53/5, var_1_9=255/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_8=53/5, var_1_9=255/2] [L78] var_1_8 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_9=255/2] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3, var_1_9=255/2] [L80] var_1_9 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=2467894503, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L82] var_1_11 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L84] CALL assume_abort_if_not(var_1_11 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=2565572511, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L85] var_1_12 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L87] CALL assume_abort_if_not(var_1_12 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 <= 4294967295) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=500, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L88] var_1_13 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L90] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=2277019112, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L91] var_1_15 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L93] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=2745650083, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L94] var_1_16 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=17179869177, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=17179869177, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L96] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=17179869177, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=1, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=17179869177, var_1_17=8, var_1_1=54/5, var_1_2=1, var_1_5=3] [L110] RET updateVariables() [L111] CALL step() [L40] unsigned long int stepLocal_1 = - last_1_var_1_17; [L41] COND TRUE (((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_13) != stepLocal_1 [L42] var_1_10 = (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_13) [L46] COND TRUE var_1_10 <= var_1_10 [L47] COND TRUE var_1_2 && (var_1_10 == ((((var_1_16) > (var_1_12)) ? (var_1_16) : (var_1_12)))) [L48] COND FALSE !(var_1_10 < var_1_11) [L55] unsigned long int stepLocal_0 = var_1_10; [L56] COND TRUE \read(var_1_2) [L57] COND TRUE stepLocal_0 >= (var_1_10 / var_1_5) [L58] var_1_1 = ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))) [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((var_1_2 ? ((var_1_10 >= (var_1_10 / var_1_5)) ? (var_1_1 == ((double) ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))))) : (var_1_1 == ((double) (var_1_7 + ((((var_1_8) > ((var_1_9 + 63.25))) ? (var_1_8) : ((var_1_9 + 63.25)))))))) : (var_1_1 == ((double) var_1_8))) && (((((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_13) != (- last_1_var_1_17)) ? (var_1_10 == ((unsigned long int) (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_13))) : (var_1_10 == ((unsigned long int) var_1_15)))) && ((var_1_10 <= var_1_10) ? ((var_1_2 && (var_1_10 == ((((var_1_16) > (var_1_12)) ? (var_1_16) : (var_1_12))))) ? ((var_1_10 < var_1_11) ? (var_1_17 == ((unsigned long int) var_1_15)) : 1) : 1) : (var_1_17 == ((unsigned long int) var_1_16))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_17=8, var_1_10=12884901881, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=17179869177, var_1_17=8, var_1_1=2, var_1_2=1, var_1_5=3, var_1_6=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_17=8, var_1_10=12884901881, var_1_11=4294967289, var_1_12=-7, var_1_13=4294967296, var_1_15=4294967294, var_1_16=17179869177, var_1_17=8, var_1_1=2, var_1_2=1, var_1_5=3, var_1_6=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:39:39,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/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_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:39:42,059 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:39:42,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:39:42,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:39:42,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:39:42,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:39:42,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:39:42,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:39:42,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:39:42,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:39:42,244 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:39:42,245 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:39:42,246 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:39:42,246 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:39:42,246 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:39:42,247 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:39:42,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:39:42,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:39:42,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:39:42,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:39:42,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:39:42,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:39:42,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:39:42,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:39:42,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:39:42,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:39:42,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:39:42,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:39:42,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:39:42,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:39:42,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:39:42,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:39:42,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:39:42,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:39:42,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:39:42,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:39:42,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:39:42,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:39:42,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:39:42,263 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:39:42,264 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:39:42,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:39:42,266 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:39:42,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 629029cd9dd00c6bf198e5b7caf4dc49b05a3b2642ee9ed809aec148707dec90 [2024-11-09 04:39:42,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:39:42,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:39:42,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:39:42,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:39:42,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:39:42,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i Unable to find full path for "g++" [2024-11-09 04:39:45,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:39:45,391 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:39:45,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i [2024-11-09 04:39:45,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data/968c28405/d3fb885a81ec457ab124dc2af9429917/FLAG8a4d86ac6 [2024-11-09 04:39:45,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/data/968c28405/d3fb885a81ec457ab124dc2af9429917 [2024-11-09 04:39:45,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:39:45,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:39:45,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:39:45,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:39:45,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:39:45,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:45,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45, skipping insertion in model container [2024-11-09 04:39:45,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:45,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:39:45,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2024-11-09 04:39:45,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:39:45,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:39:45,792 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-51.i[917,930] [2024-11-09 04:39:45,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:39:45,909 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:39:45,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45 WrapperNode [2024-11-09 04:39:45,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:39:45,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:39:45,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:39:45,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:39:45,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:45,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:45,989 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-09 04:39:45,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:39:45,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:39:45,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:39:45,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:39:46,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:39:46,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:39:46,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:39:46,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:39:46,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (1/1) ... [2024-11-09 04:39:46,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:39:46,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:39:46,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:39:46,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:39:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:39:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:39:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:39:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:39:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:39:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:39:46,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:39:46,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:39:48,785 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 04:39:48,785 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:39:48,800 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:39:48,801 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:39:48,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:39:48 BoogieIcfgContainer [2024-11-09 04:39:48,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:39:48,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:39:48,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:39:48,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:39:48,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:39:45" (1/3) ... [2024-11-09 04:39:48,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcc0b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:39:48, skipping insertion in model container [2024-11-09 04:39:48,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:45" (2/3) ... [2024-11-09 04:39:48,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fcc0b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:39:48, skipping insertion in model container [2024-11-09 04:39:48,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:39:48" (3/3) ... [2024-11-09 04:39:48,813 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-51.i [2024-11-09 04:39:48,830 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:39:48,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:39:48,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:39:48,945 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@21ec3198, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:39:48,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:39:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:39:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 04:39:48,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:39:48,965 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:39:48,966 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:39:48,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:39:48,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2132475708, now seen corresponding path program 1 times [2024-11-09 04:39:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:39:48,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181189257] [2024-11-09 04:39:48,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:48,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:39:48,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:39:48,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:39:48,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 04:39:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:39:49,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:39:49,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:39:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 04:39:49,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:39:49,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:39:49,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181189257] [2024-11-09 04:39:49,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181189257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:39:49,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:39:49,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:39:49,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588160456] [2024-11-09 04:39:49,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:39:49,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:39:49,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:39:49,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:39:49,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:39:49,501 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:39:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:39:49,542 INFO L93 Difference]: Finished difference Result 105 states and 179 transitions. [2024-11-09 04:39:49,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:39:49,546 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2024-11-09 04:39:49,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:39:49,556 INFO L225 Difference]: With dead ends: 105 [2024-11-09 04:39:49,556 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 04:39:49,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:39:49,565 INFO L432 NwaCegarLoop]: 75 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, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:39:49,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:39:49,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 04:39:49,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 04:39:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 04:39:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-09 04:39:49,623 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 119 [2024-11-09 04:39:49,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:39:49,624 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-09 04:39:49,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 04:39:49,624 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-09 04:39:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 04:39:49,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:39:49,628 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:39:49,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 04:39:49,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:39:49,830 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:39:49,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:39:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -911454713, now seen corresponding path program 1 times [2024-11-09 04:39:49,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:39:49,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727516689] [2024-11-09 04:39:49,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:49,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:39:49,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:39:49,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 04:39:49,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7621b785-1716-40de-a0aa-9ff72bd7ad5b/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 04:39:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:39:50,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 04:39:50,389 INFO L278 TraceCheckSpWp]: Computing forward predicates...