./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E --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 d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:53:21,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:53:21,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:53:21,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:53:21,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:53:21,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:53:21,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:53:21,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:53:21,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:53:21,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:53:21,201 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:53:21,201 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:53:21,201 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:53:21,201 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:53:21,202 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:53:21,202 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:53:21,202 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:53:21,202 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:53:21,202 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:53:21,203 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:53:21,203 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:53:21,203 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:53:21,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:53:21,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:53:21,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:53:21,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:53:21,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:53:21,206 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:53:21,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:53:21,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:53:21,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:53:21,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:53:21,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:53:21,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:53:21,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:53:21,208 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:53:21,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:53:21,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:53:21,208 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:53:21,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:53:21,208 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E 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 -> d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf [2024-11-14 02:53:21,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:53:21,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:53:21,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:53:21,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:53:21,594 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:53:21,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i Unable to find full path for "g++" [2024-11-14 02:53:23,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:53:24,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:53:24,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-14 02:53:24,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data/f164284df/439d3d3010f0443fa800d24a72784986/FLAG753ff834e [2024-11-14 02:53:24,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data/f164284df/439d3d3010f0443fa800d24a72784986 [2024-11-14 02:53:24,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:53:24,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:53:24,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:53:24,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:53:24,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:53:24,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35014352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24, skipping insertion in model container [2024-11-14 02:53:24,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:53:24,339 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_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-14 02:53:24,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:53:24,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:53:24,449 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_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-14 02:53:24,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:53:24,522 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:53:24,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24 WrapperNode [2024-11-14 02:53:24,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:53:24,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:53:24,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:53:24,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:53:24,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,594 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-14 02:53:24,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:53:24,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:53:24,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:53:24,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:53:24,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:53:24,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:53:24,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:53:24,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:53:24,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (1/1) ... [2024-11-14 02:53:24,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:53:24,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:53:24,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:53:24,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:53:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:53:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:53:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:53:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:53:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:53:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:53:24,857 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:53:24,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:53:25,286 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 02:53:25,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:53:25,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:53:25,512 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:53:25,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:25 BoogieIcfgContainer [2024-11-14 02:53:25,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:53:25,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:53:25,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:53:25,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:53:25,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:53:24" (1/3) ... [2024-11-14 02:53:25,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5873223a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:25, skipping insertion in model container [2024-11-14 02:53:25,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:24" (2/3) ... [2024-11-14 02:53:25,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5873223a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:25, skipping insertion in model container [2024-11-14 02:53:25,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:25" (3/3) ... [2024-11-14 02:53:25,532 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-14 02:53:25,553 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:53:25,555 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-10.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:53:25,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:53:25,639 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;@eba249c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:53:25,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:53:25,644 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) [2024-11-14 02:53:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 02:53:25,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:25,656 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] [2024-11-14 02:53:25,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:25,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:25,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1233282201, now seen corresponding path program 1 times [2024-11-14 02:53:25,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:53:25,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834781839] [2024-11-14 02:53:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:25,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:53:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:53:26,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:53:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:53:26,350 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:53:26,352 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:53:26,354 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:53:26,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:53:26,365 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:53:26,486 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:53:26,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:53:26 BoogieIcfgContainer [2024-11-14 02:53:26,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:53:26,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:53:26,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:53:26,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:53:26,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:25" (3/4) ... [2024-11-14 02:53:26,498 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:53:26,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:53:26,501 INFO L158 Benchmark]: Toolchain (without parser) took 2416.88ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 65.9MB in the end (delta: 26.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-14 02:53:26,501 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 100.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:53:26,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.86ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:53:26,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.03ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:53:26,505 INFO L158 Benchmark]: Boogie Preprocessor took 51.79ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:53:26,505 INFO L158 Benchmark]: RCFGBuilder took 869.59ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 52.4MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 02:53:26,506 INFO L158 Benchmark]: TraceAbstraction took 973.60ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 65.9MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:53:26,506 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 65.9MB in the end (delta: 21.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:53:26,512 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 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 100.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.86ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.4MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.03ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.79ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 869.59ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 52.4MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 973.60ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 65.9MB in the end (delta: -14.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 65.9MB in the end (delta: 21.1kB). Peak memory consumption was 8.4MB. 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 someBinaryFLOATComparisonOperation at line 106, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someUnaryDOUBLEoperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] double var_1_3 = 9.15; [L25] double var_1_6 = 1000000.875; [L26] double var_1_7 = 49.25; [L27] double var_1_8 = -0.8; [L28] signed char var_1_9 = -10; [L29] unsigned short int var_1_10 = 58996; [L30] unsigned short int var_1_11 = 32; [L31] signed char var_1_12 = 32; [L32] signed char var_1_13 = 16; [L33] signed char var_1_14 = 2; [L34] signed long int var_1_15 = 32; [L35] signed long int var_1_17 = 1000000000; [L36] float var_1_18 = -0.5; [L37] signed char var_1_19 = 2; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; [L40] double last_1_var_1_3 = 9.15; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_3 = var_1_3 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L73] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_9=-10] [L74] var_1_6 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_7=197/4, var_1_9=-10] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_7=197/4, var_1_9=-10] [L76] var_1_7 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L78] var_1_8 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L80] var_1_10 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L82] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L83] var_1_11 = __VERIFIER_nondet_ushort() [L84] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L85] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L86] var_1_12 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L88] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L89] var_1_13 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L92] var_1_14 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=1000000000, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L95] var_1_17 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L98] var_1_21 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_21 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_21 >= 1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=32, var_1_17=536870911, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=-255, var_1_2=1, var_1_3=183/20, var_1_9=-10] [L114] RET updateVariables() [L115] CALL step() [L44] var_1_1 = var_1_2 [L45] var_1_18 = var_1_8 [L46] var_1_19 = var_1_12 [L47] var_1_20 = var_1_21 [L48] signed char stepLocal_1 = var_1_19; [L49] COND TRUE (- (var_1_10 - var_1_11)) >= stepLocal_1 [L50] var_1_9 = (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))) [L54] COND TRUE \read(var_1_20) [L55] var_1_15 = (var_1_12 - var_1_14) [L59] signed long int stepLocal_0 = var_1_15; [L60] COND TRUE stepLocal_0 < var_1_1 [L61] var_1_3 = -0.5 [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((((var_1_1 == ((unsigned long int) var_1_2)) && ((var_1_15 < var_1_1) ? (var_1_3 == ((double) -0.5)) : (((- last_1_var_1_3) == (var_1_6 - var_1_7)) ? (var_1_3 == ((double) var_1_8)) : (var_1_3 == ((double) var_1_8))))) && (((- (var_1_10 - var_1_11)) >= var_1_19) ? (var_1_9 == ((signed char) (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))))) : (var_1_9 == ((signed char) ((((var_1_12) < (var_1_14)) ? (var_1_12) : (var_1_14))))))) && (var_1_20 ? (var_1_15 == ((signed long int) (var_1_12 - var_1_14))) : (var_1_15 == ((signed long int) (var_1_13 - ((var_1_17 - 4) + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) && (var_1_18 == ((float) var_1_8))) && (var_1_19 == ((signed char) var_1_12))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_17=536870911, var_1_18=1000000005, var_1_19=0, var_1_1=1, var_1_20=-255, var_1_21=-255, var_1_2=1, var_1_3=1000000005, var_1_8=1000000005, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_3=183/20, var_1_10=32767, var_1_11=32767, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_17=536870911, var_1_18=1000000005, var_1_19=0, var_1_1=1, var_1_20=-255, var_1_21=-255, var_1_2=1, var_1_3=1000000005, var_1_8=1000000005, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:53:26,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E --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 d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:53:29,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:53:29,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:53:29,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:53:29,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:53:29,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:53:29,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:53:29,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:53:29,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:53:29,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:53:29,933 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:53:29,934 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:53:29,934 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:53:29,934 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:53:29,934 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:53:29,934 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:53:29,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:53:29,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:53:29,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:53:29,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:53:29,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:53:29,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:53:29,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:53:29,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:53:29,937 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:53:29,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:53:29,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:53:29,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:53:29,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:53:29,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:53:29,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:53:29,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:53:29,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:53:29,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:53:29,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:53:29,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:53:29,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:53:29,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:53:29,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:53:29,940 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:53:29,940 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:53:29,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:53:29,940 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:53:29,940 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E 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 -> d3625167a7aec6d3884a0a0cfb9a5e7b246de182e5cac4fcf1e6ab34704c8faf [2024-11-14 02:53:30,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:53:30,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:53:30,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:53:30,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:53:30,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:53:30,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i Unable to find full path for "g++" [2024-11-14 02:53:32,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:53:33,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:53:33,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-14 02:53:33,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data/f526c28b2/befc395fa5be4ab39742946de1ec0717/FLAGe294c519f [2024-11-14 02:53:33,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/data/f526c28b2/befc395fa5be4ab39742946de1ec0717 [2024-11-14 02:53:33,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:53:33,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:53:33,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:53:33,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:53:33,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:53:33,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6f8909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33, skipping insertion in model container [2024-11-14 02:53:33,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:53:33,300 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_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-14 02:53:33,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:53:33,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:53:33,401 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_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-10.i[917,930] [2024-11-14 02:53:33,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:53:33,454 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:53:33,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33 WrapperNode [2024-11-14 02:53:33,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:53:33,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:53:33,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:53:33,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:53:33,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,525 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-14 02:53:33,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:53:33,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:53:33,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:53:33,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:53:33,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:53:33,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:53:33,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:53:33,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:53:33,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (1/1) ... [2024-11-14 02:53:33,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:53:33,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:53:33,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:53:33,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:53:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:53:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:53:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:53:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:53:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:53:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:53:33,832 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:53:33,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:53:34,779 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 02:53:34,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:53:34,796 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:53:34,796 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:53:34,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:34 BoogieIcfgContainer [2024-11-14 02:53:34,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:53:34,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:53:34,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:53:34,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:53:34,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:53:33" (1/3) ... [2024-11-14 02:53:34,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce55d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:34, skipping insertion in model container [2024-11-14 02:53:34,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:53:33" (2/3) ... [2024-11-14 02:53:34,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce55d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:53:34, skipping insertion in model container [2024-11-14 02:53:34,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:53:34" (3/3) ... [2024-11-14 02:53:34,812 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-10.i [2024-11-14 02:53:34,827 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:53:34,828 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-10.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:53:34,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:53:34,925 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;@46d3f552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:53:34,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:53:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 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) [2024-11-14 02:53:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-14 02:53:34,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:34,962 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] [2024-11-14 02:53:34,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:34,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:34,968 INFO L85 PathProgramCache]: Analyzing trace with hash -2074788602, now seen corresponding path program 1 times [2024-11-14 02:53:34,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:53:34,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166322738] [2024-11-14 02:53:34,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:34,980 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 [2024-11-14 02:53:34,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:53:34,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:53:34,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8eec0a-dcb1-45fd-8a9f-9e7372add228/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:53:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:35,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-14 02:53:35,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:03:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 527 proven. 93 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-14 03:03:24,858 INFO L311 TraceCheckSpWp]: Computing backward predicates...