./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c --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_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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_409545e3-379c-4c24-bbaf-f023f1575e75/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 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:25:09,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:25:10,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:25:10,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:25:10,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:25:10,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:25:10,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:25:10,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:25:10,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:25:10,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:25:10,152 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:25:10,152 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:25:10,152 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:25:10,152 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:25:10,153 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:25:10,153 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:25:10,153 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:25:10,153 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:25:10,153 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:25:10,153 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:25:10,153 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:25:10,153 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:25:10,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:25:10,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:25:10,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:25:10,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:25:10,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:25:10,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:25:10,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:25:10,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:25:10,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:25:10,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:25:10,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:25:10,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:25:10,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:25:10,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:25:10,156 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:25:10,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:25:10,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:25:10,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:25:10,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:25:10,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:25:10,157 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:25:10,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:25:10,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:25:10,157 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:25:10,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:25:10,157 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_409545e3-379c-4c24-bbaf-f023f1575e75/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 -> 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 [2024-11-14 04:25:10,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:25:10,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:25:10,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:25:10,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:25:10,529 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:25:10,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c Unable to find full path for "g++" [2024-11-14 04:25:12,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:25:13,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:25:13,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2024-11-14 04:25:13,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data/b8f82a479/ce737c1fe97248688edff08d097a4966/FLAGcd35501e6 [2024-11-14 04:25:13,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data/b8f82a479/ce737c1fe97248688edff08d097a4966 [2024-11-14 04:25:13,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:25:13,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:25:13,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:25:13,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:25:13,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:25:13,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed32980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13, skipping insertion in model container [2024-11-14 04:25:13,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:25:13,464 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_409545e3-379c-4c24-bbaf-f023f1575e75/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2024-11-14 04:25:13,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:25:13,485 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:25:13,506 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_409545e3-379c-4c24-bbaf-f023f1575e75/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2024-11-14 04:25:13,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:25:13,525 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:25:13,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13 WrapperNode [2024-11-14 04:25:13,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:25:13,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:25:13,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:25:13,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:25:13,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,577 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2024-11-14 04:25:13,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:25:13,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:25:13,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:25:13,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:25:13,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:25:13,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:25:13,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:25:13,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:25:13,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (1/1) ... [2024-11-14 04:25:13,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:25:13,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:25:13,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:25:13,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:25:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:25:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:25:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:25:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 04:25:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:25:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 04:25:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:25:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:25:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:25:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:25:13,803 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:25:13,805 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:25:14,020 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-14 04:25:14,020 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:25:14,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:25:14,061 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:25:14,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:25:14 BoogieIcfgContainer [2024-11-14 04:25:14,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:25:14,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:25:14,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:25:14,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:25:14,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:25:13" (1/3) ... [2024-11-14 04:25:14,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4772f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:25:14, skipping insertion in model container [2024-11-14 04:25:14,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:13" (2/3) ... [2024-11-14 04:25:14,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4772f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:25:14, skipping insertion in model container [2024-11-14 04:25:14,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:25:14" (3/3) ... [2024-11-14 04:25:14,076 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2024-11-14 04:25:14,102 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:25:14,104 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG inv_sqrt_Quake.c.v+cfa-reducer.c that has 1 procedures, 13 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 04:25:14,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:25:14,203 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;@c7c9b9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:25:14,203 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:25:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:25:14,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 04:25:14,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:25:14,217 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:14,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:25:14,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:25:14,226 INFO L85 PathProgramCache]: Analyzing trace with hash 179408343, now seen corresponding path program 1 times [2024-11-14 04:25:14,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:25:14,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56127748] [2024-11-14 04:25:14,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:25:14,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:25:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:25:14,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:25:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:25:14,437 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:25:14,439 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:25:14,441 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:25:14,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:25:14,449 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:25:14,484 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:25:14,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:25:14 BoogieIcfgContainer [2024-11-14 04:25:14,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:25:14,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:25:14,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:25:14,492 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:25:14,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:25:14" (3/4) ... [2024-11-14 04:25:14,501 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:25:14,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:25:14,507 INFO L158 Benchmark]: Toolchain (without parser) took 1265.30ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 54.0MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 04:25:14,507 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:25:14,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.01ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:25:14,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.54ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:25:14,509 INFO L158 Benchmark]: Boogie Preprocessor took 43.70ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 768.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:25:14,509 INFO L158 Benchmark]: RCFGBuilder took 434.54ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 68.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:25:14,513 INFO L158 Benchmark]: TraceAbstraction took 425.97ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 54.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:25:14,514 INFO L158 Benchmark]: Witness Printer took 10.88ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 54.0MB in the end (delta: 251.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:25:14,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.01ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.54ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.70ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.1MB in the end (delta: 768.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 434.54ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 68.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 425.97ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 54.2MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 10.88ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 54.0MB in the end (delta: 251.5kB). 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: 59]: 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 someBinaryArithmeticDOUBLEoperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 27. Possible FailurePath: [L1] int __return_main; [L17] float __return_72; [L18] int __return_87; [L21] float main__a; [L22] float main__r; [L23] main__a = __VERIFIER_nondet_float() [L24] int main____CPAchecker_TMP_0; VAL [__return_72=0, __return_87=0, __return_main=0] [L25] COND TRUE main__a >= 0.10000000149011612 VAL [__return_72=0, __return_87=0, __return_main=0] [L27] COND TRUE main__a <= 100.0 [L29] main____CPAchecker_TMP_0 = 1 VAL [__return_72=0, __return_87=0, __return_main=0, main____CPAchecker_TMP_0=1] [L30] COND TRUE main____CPAchecker_TMP_0 != 0 [L33] float __tmp_1; [L34] __tmp_1 = main__a [L35] float InvSqrt__x; [L36] InvSqrt__x = __tmp_1 [L37] float InvSqrt__xhalf = 0.5 * InvSqrt__x; [L38] union float_int InvSqrt__i; [L39] InvSqrt__i.f = InvSqrt__x [L40] EXPR InvSqrt__i.i [L40] InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L41] EXPR InvSqrt__i.f [L41] InvSqrt__x = InvSqrt__i.f [L42] InvSqrt__x = InvSqrt__x * (1.5 - ((InvSqrt__xhalf * InvSqrt__x) * InvSqrt__x)) [L43] __return_72 = InvSqrt__x [L44] main__r = __return_72 [L45] int main____CPAchecker_TMP_1; VAL [__return_72=1597463017, __return_87=0, __return_main=0] [L46] COND FALSE !(main__r >= 0.0) VAL [__return_72=1597463017, __return_87=0, __return_main=0] [L72] main____CPAchecker_TMP_1 = 0 VAL [__return_72=1597463017, __return_87=0, __return_main=0, main____CPAchecker_TMP_1=0] [L53] int __tmp_2; [L54] __tmp_2 = main____CPAchecker_TMP_1 [L55] int __VERIFIER_assert__cond; [L56] __VERIFIER_assert__cond = __tmp_2 VAL [__VERIFIER_assert__cond=0, __return_72=1597463017, __return_87=0, __return_main=0] [L57] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_72=1597463017, __return_87=0, __return_main=0] [L59] reach_error() VAL [__return_72=1597463017, __return_87=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, 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=13occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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 04:25:14,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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_409545e3-379c-4c24-bbaf-f023f1575e75/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 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:25:17,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:25:17,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:25:17,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:25:17,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:25:17,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:25:17,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:25:17,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:25:17,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:25:17,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:25:17,851 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:25:17,851 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:25:17,851 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:25:17,851 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:25:17,852 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:25:17,852 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:25:17,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:25:17,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:25:17,853 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:25:17,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:25:17,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:25:17,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:25:17,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:25:17,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:25:17,854 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:25:17,854 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:25:17,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:25:17,854 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:25:17,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:25:17,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:25:17,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:25:17,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:25:17,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:25:17,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:25:17,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:25:17,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:25:17,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:25:17,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:25:17,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:25:17,856 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:25:17,856 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:25:17,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:25:17,856 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:25:17,856 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_409545e3-379c-4c24-bbaf-f023f1575e75/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 -> 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 [2024-11-14 04:25:18,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:25:18,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:25:18,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:25:18,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:25:18,282 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:25:18,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c Unable to find full path for "g++" [2024-11-14 04:25:20,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:25:20,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:25:20,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2024-11-14 04:25:20,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data/4440c26e0/09c8774e940d46b1b6474ed0f8ef200d/FLAGd62459872 [2024-11-14 04:25:21,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/data/4440c26e0/09c8774e940d46b1b6474ed0f8ef200d [2024-11-14 04:25:21,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:25:21,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:25:21,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:25:21,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:25:21,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:25:21,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a53b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21, skipping insertion in model container [2024-11-14 04:25:21,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:25:21,293 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_409545e3-379c-4c24-bbaf-f023f1575e75/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2024-11-14 04:25:21,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:25:21,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:25:21,340 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_409545e3-379c-4c24-bbaf-f023f1575e75/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2024-11-14 04:25:21,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:25:21,365 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:25:21,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21 WrapperNode [2024-11-14 04:25:21,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:25:21,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:25:21,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:25:21,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:25:21,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,414 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2024-11-14 04:25:21,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:25:21,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:25:21,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:25:21,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:25:21,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:25:21,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:25:21,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:25:21,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:25:21,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (1/1) ... [2024-11-14 04:25:21,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:25:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:25:21,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:25:21,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:25:21,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:25:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:25:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:25:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 04:25:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:25:21,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:25:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:25:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 04:25:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:25:21,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:25:21,640 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:25:21,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:25:24,312 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-14 04:25:24,312 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:25:24,324 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:25:24,324 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:25:24,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:25:24 BoogieIcfgContainer [2024-11-14 04:25:24,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:25:24,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:25:24,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:25:24,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:25:24,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:25:21" (1/3) ... [2024-11-14 04:25:24,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0aa057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:25:24, skipping insertion in model container [2024-11-14 04:25:24,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:25:21" (2/3) ... [2024-11-14 04:25:24,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0aa057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:25:24, skipping insertion in model container [2024-11-14 04:25:24,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:25:24" (3/3) ... [2024-11-14 04:25:24,339 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2024-11-14 04:25:24,356 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:25:24,357 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG inv_sqrt_Quake.c.v+cfa-reducer.c that has 1 procedures, 15 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 04:25:24,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:25:24,436 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;@39c21029, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:25:24,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:25:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:25:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 04:25:24,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:25:24,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:24,448 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:25:24,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:25:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash -2137295023, now seen corresponding path program 1 times [2024-11-14 04:25:24,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:25:24,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099947084] [2024-11-14 04:25:24,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:25:24,468 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 04:25:24,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:25:24,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 04:25:24,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 04:25:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:25:26,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 04:25:26,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:25:44,056 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_5|))))) (and (= |c_ULTIMATE.start_main_~main__r~0#1| ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse0 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_5| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse0) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (fp.geq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 04:26:01,271 WARN L851 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_5|))))) (and (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_5| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from false [2024-11-14 04:26:03,334 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_5|))))) (and (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_5| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0))))) is different from true [2024-11-14 04:26:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:26:48,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:26:48,645 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:26:48,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099947084] [2024-11-14 04:26:48,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099947084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:26:48,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:26:48,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:26:48,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137205732] [2024-11-14 04:26:48,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:26:48,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:26:48,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:26:48,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:26:48,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=11, Unknown=3, NotChecked=14, Total=42 [2024-11-14 04:26:48,677 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:26:52,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:26:54,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:26:56,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:26:57,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:26:57,388 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2024-11-14 04:26:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:26:57,394 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-14 04:26:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:26:57,401 INFO L225 Difference]: With dead ends: 27 [2024-11-14 04:26:57,401 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 04:26:57,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=14, Invalid=11, Unknown=3, NotChecked=14, Total=42 [2024-11-14 04:26:57,407 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 65 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:26:57,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 27 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 3 Unknown, 65 Unchecked, 8.7s Time] [2024-11-14 04:26:57,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 04:26:57,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-14 04:26:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:26:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-14 04:26:57,441 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-11-14 04:26:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:26:57,441 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-14 04:26:57,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:26:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-14 04:26:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 04:26:57,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:26:57,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:26:57,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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)] Ended with exit code 0 [2024-11-14 04:26:57,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 [2024-11-14 04:26:57,645 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:26:57,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:26:57,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2140661612, now seen corresponding path program 1 times [2024-11-14 04:26:57,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:26:57,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1664715567] [2024-11-14 04:26:57,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:57,646 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 04:26:57,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:26:57,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 04:26:57,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 (3)] Waiting until timeout for monitored process [2024-11-14 04:26:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:26:58,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:26:58,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:26:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:26:58,376 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:26:58,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:26:58,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1664715567] [2024-11-14 04:26:58,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1664715567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:26:58,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:26:58,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:26:58,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680788521] [2024-11-14 04:26:58,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:26:58,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:26:58,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:26:58,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:26:58,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:26:58,380 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:27:00,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:27:00,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:27:00,738 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2024-11-14 04:27:00,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:27:00,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-14 04:27:00,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:27:00,740 INFO L225 Difference]: With dead ends: 16 [2024-11-14 04:27:00,740 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 04:27:00,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:27:00,741 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:27:00,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2024-11-14 04:27:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 04:27:00,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-14 04:27:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:27:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2024-11-14 04:27:00,745 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2024-11-14 04:27:00,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:27:00,745 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2024-11-14 04:27:00,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:27:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-14 04:27:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:27:00,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:27:00,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:27:00,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 (3)] Ended with exit code 0 [2024-11-14 04:27:00,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 [2024-11-14 04:27:00,947 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:27:00,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:27:00,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1946484073, now seen corresponding path program 1 times [2024-11-14 04:27:00,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:27:00,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679532104] [2024-11-14 04:27:00,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:27:00,948 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 04:27:00,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:27:00,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 04:27:00,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 (4)] Waiting until timeout for monitored process [2024-11-14 04:27:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:27:02,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 04:27:02,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:27:19,942 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_8|))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0)) (= ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_8| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse1) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))) |c_ULTIMATE.start_main_~main__r~0#1|) (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 04:27:35,503 WARN L851 $PredicateComparison]: unable to prove that (and (fp.geq ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__r~0#1|) (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_8|))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0)) (= ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_8| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse1) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) .cse1) .cse1)))))) |c_ULTIMATE.start_main_~main__r~0#1|) (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 04:27:58,198 WARN L851 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_8|))))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_8| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse2) .cse2))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (fp.geq .cse1 (_ +zero 11 53)) (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from false [2024-11-14 04:28:00,283 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_skolemized_q#valueAsBitvector_8| (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_8|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_8|))))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse2 (let ((.cse3 (bvadd (bvneg (bvashr |v_skolemized_q#valueAsBitvector_8| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse2) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse0)) .cse2) .cse2))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (fp.geq .cse1 (_ +zero 11 53)) (fp.geq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0))) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from true [2024-11-14 04:28:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:28:59,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:28:59,526 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:28:59,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679532104] [2024-11-14 04:28:59,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679532104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:28:59,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:28:59,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:28:59,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002974216] [2024-11-14 04:28:59,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:28:59,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 04:28:59,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:28:59,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 04:28:59,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=12, Unknown=4, NotChecked=24, Total=56 [2024-11-14 04:28:59,528 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:29:02,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:29:04,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:29:06,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:29:06,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:29:06,367 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2024-11-14 04:29:06,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:29:06,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-14 04:29:06,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:29:06,500 INFO L225 Difference]: With dead ends: 12 [2024-11-14 04:29:06,500 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:29:06,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=16, Invalid=12, Unknown=4, NotChecked=24, Total=56 [2024-11-14 04:29:06,502 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:29:06,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 3 Unknown, 44 Unchecked, 6.8s Time] [2024-11-14 04:29:06,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:29:06,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:29:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:29:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:29:06,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-14 04:29:06,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:29:06,506 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:29:06,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:29:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:29:06,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:29:06,510 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:29:06,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 (4)] Ended with exit code 0 [2024-11-14 04:29:06,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/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 [2024-11-14 04:29:06,719 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 04:29:06,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:29:06,729 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:29:06,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:29:06 BoogieIcfgContainer [2024-11-14 04:29:06,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:29:06,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:29:06,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:29:06,754 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:29:06,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:25:24" (3/4) ... [2024-11-14 04:29:06,761 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:29:06,779 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-14 04:29:06,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 04:29:06,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 04:29:06,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:29:06,877 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:29:06,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:29:06,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:29:06,879 INFO L158 Benchmark]: Toolchain (without parser) took 225842.16ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 48.3MB in the end (delta: 43.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-14 04:29:06,879 INFO L158 Benchmark]: CDTParser took 2.19ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:29:06,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.74ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:29:06,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.47ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:29:06,882 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:29:06,883 INFO L158 Benchmark]: RCFGBuilder took 2871.88ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 65.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:29:06,883 INFO L158 Benchmark]: TraceAbstraction took 222421.57ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 53.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-14 04:29:06,885 INFO L158 Benchmark]: Witness Printer took 124.74ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 48.3MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:29:06,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.19ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.74ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 79.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.47ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2871.88ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 65.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 222421.57ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 53.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 124.74ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 48.3MB in the end (delta: 4.9MB). 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 - PositiveResult [Line: 59]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 222.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 17.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 17.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 109 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 199.6s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 11 QuantifiedInterpolants, 1963 SizeOfPredicates, 8 NumberOfNonLiveVariables, 143 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 04:29:07,103 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-14 04:29:07,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409545e3-379c-4c24-bbaf-f023f1575e75/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE