./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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_a0208150-becc-4dbd-8b76-e88a85b11a50/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 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:52:20,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:52:20,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:52:20,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:52:20,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:52:20,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:52:20,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:52:20,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:52:20,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:52:20,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:52:20,379 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:52:20,379 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:52:20,379 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:52:20,379 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:52:20,379 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:52:20,380 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:52:20,380 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:52:20,380 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:52:20,380 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:52:20,380 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:52:20,380 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:52:20,380 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:52:20,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:52:20,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:52:20,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:52:20,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:52:20,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:52:20,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:52:20,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:52:20,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:52:20,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:52:20,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:52:20,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:52:20,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:52:20,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:52:20,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:52:20,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:52:20,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:52:20,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:52:20,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:52:20,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:52:20,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:52:20,387 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:52:20,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:52:20,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:52:20,387 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:52:20,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:52:20,387 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_a0208150-becc-4dbd-8b76-e88a85b11a50/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 -> 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 [2024-11-14 02:52:20,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:52:20,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:52:20,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:52:20,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:52:20,783 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:52:20,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i Unable to find full path for "g++" [2024-11-14 02:52:23,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:52:23,434 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:52:23,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i [2024-11-14 02:52:23,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data/f72254750/063101a888b54bb486e6de950b53d97e/FLAG5e7690855 [2024-11-14 02:52:23,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data/f72254750/063101a888b54bb486e6de950b53d97e [2024-11-14 02:52:23,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:52:23,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:52:23,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:52:23,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:52:23,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:52:23,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:23,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc87577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23, skipping insertion in model container [2024-11-14 02:52:23,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:23,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:52:23,750 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_a0208150-becc-4dbd-8b76-e88a85b11a50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-14 02:52:23,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:52:23,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:52:23,866 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_a0208150-becc-4dbd-8b76-e88a85b11a50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-14 02:52:23,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:52:23,948 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:52:23,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23 WrapperNode [2024-11-14 02:52:23,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:52:23,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:52:23,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:52:23,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:52:23,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:23,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,045 INFO L138 Inliner]: procedures = 29, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 511 [2024-11-14 02:52:24,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:52:24,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:52:24,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:52:24,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:52:24,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:52:24,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:52:24,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:52:24,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:52:24,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (1/1) ... [2024-11-14 02:52:24,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:52:24,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:52:24,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:52:24,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:52:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:52:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:52:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 02:52:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 02:52:24,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:52:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 02:52:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:52:24,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:52:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:52:24,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:52:24,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:52:24,350 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:52:24,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:52:25,153 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-14 02:52:25,153 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:52:25,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:52:25,814 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:52:25,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:52:25 BoogieIcfgContainer [2024-11-14 02:52:25,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:52:25,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:52:25,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:52:25,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:52:25,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:52:23" (1/3) ... [2024-11-14 02:52:25,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ecfe9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:52:25, skipping insertion in model container [2024-11-14 02:52:25,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:23" (2/3) ... [2024-11-14 02:52:25,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ecfe9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:52:25, skipping insertion in model container [2024-11-14 02:52:25,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:52:25" (3/3) ... [2024-11-14 02:52:25,831 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-60.i [2024-11-14 02:52:25,853 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:52:25,855 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-60.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:52:25,937 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:52:25,961 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;@8bae5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:52:25,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:52:25,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:52:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 02:52:25,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:52:25,980 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:52:25,980 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:52:25,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:52:25,989 INFO L85 PathProgramCache]: Analyzing trace with hash 501800194, now seen corresponding path program 1 times [2024-11-14 02:52:26,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:52:26,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567518602] [2024-11-14 02:52:26,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:52:26,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:52:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:52:27,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:52:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:52:27,873 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:52:27,875 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:52:27,877 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:52:27,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:52:27,885 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:52:27,984 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:52:27,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:52:27 BoogieIcfgContainer [2024-11-14 02:52:27,991 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:52:27,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:52:27,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:52:27,992 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:52:27,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:52:25" (3/4) ... [2024-11-14 02:52:27,998 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:52:27,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:52:28,001 INFO L158 Benchmark]: Toolchain (without parser) took 4519.71ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.4MB in the beginning and 57.7MB in the end (delta: 34.7MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2024-11-14 02:52:28,001 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:52:28,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.06ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 77.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:52:28,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.56ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:52:28,004 INFO L158 Benchmark]: Boogie Preprocessor took 56.92ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 71.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:52:28,004 INFO L158 Benchmark]: RCFGBuilder took 1712.20ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 39.6MB in the end (delta: 31.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-14 02:52:28,008 INFO L158 Benchmark]: TraceAbstraction took 2171.27ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 38.9MB in the beginning and 57.7MB in the end (delta: -18.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-14 02:52:28,009 INFO L158 Benchmark]: Witness Printer took 7.42ms. Allocated memory is still 151.0MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:52:28,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.06ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 77.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.56ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.92ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 71.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1712.20ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 39.6MB in the end (delta: 31.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2171.27ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 38.9MB in the beginning and 57.7MB in the end (delta: -18.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 7.42ms. Allocated memory is still 151.0MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryArithmeticFLOAToperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] double double_Array_0[2][2] = { {2.5, 64.25}, {31.2, 9999.6} }; [L28-L30] float float_Array_0[7] = { 10.5, 4.4, 64.8, 5.8, 32.902, 8.6, 999.375 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { 10, 1 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 2 }; [L37] float last_1_float_Array_0_5_ = 8.6; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] EXPR float_Array_0[5] [L95] last_1_float_Array_0_5_ = float_Array_0[5] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L70] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] double_Array_0[1][0] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[1][0] [L74] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F [L74] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) [L74] EXPR double_Array_0[1][0] [L74] EXPR double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F [L74] EXPR double_Array_0[1][0] [L74] EXPR double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F [L74] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] CALL assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] double_Array_0[0][1] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[0][1] [L76] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L76] EXPR double_Array_0[0][1] [L76] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L76] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854765600e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] float_Array_0[0] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[0] [L78] EXPR float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F [L78] EXPR float_Array_0[0] [L78] EXPR float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F [L78] EXPR (float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 2305843.009213691390e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not((float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 2305843.009213691390e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((float_Array_0[0] >= -230584.3009213691390e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 2305843.009213691390e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] float_Array_0[1] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[1] [L80] EXPR float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F [L80] EXPR float_Array_0[1] [L80] EXPR float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F [L80] EXPR (float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 1152921.504606845700e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 1152921.504606845700e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[1] >= -115292.1504606845700e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 1152921.504606845700e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] float_Array_0[2] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[2] [L82] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L82] EXPR float_Array_0[2] [L82] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L82] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 4611686.018427382800e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] float_Array_0[4] = __VERIFIER_nondet_float() [L84] EXPR float_Array_0[4] [L84] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F [L84] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F ) [L84] EXPR float_Array_0[4] [L84] EXPR float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F [L84] EXPR float_Array_0[4] [L84] EXPR float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F [L84] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 4611686.018427382800e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] float_Array_0[6] = __VERIFIER_nondet_float() [L86] EXPR float_Array_0[6] [L86] EXPR float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F [L86] EXPR (float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F ) [L86] EXPR float_Array_0[6] [L86] EXPR float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F [L86] EXPR float_Array_0[6] [L86] EXPR float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F [L86] EXPR (float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] CALL assume_abort_if_not((float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((float_Array_0[6] >= -115292.1504606845700e+13F && float_Array_0[6] <= -1.0e-20F) || (float_Array_0[6] <= 1152921.504606845700e+12F && float_Array_0[6] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L88] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L106] RET updateVariables() [L107] CALL step() [L41] EXPR double_Array_0[0][1] [L41] EXPR double_Array_0[1][0] [L41] double_Array_0[1][1] = (double_Array_0[0][1] - double_Array_0[1][0]) [L42] EXPR unsigned_char_Array_0[0] [L42] EXPR signed_long_int_Array_0[0] [L42] COND FALSE !((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) [L51] EXPR BOOL_unsigned_char_Array_0[0] [L51] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0]; [L52] EXPR BOOL_unsigned_char_Array_0[1] [L52] COND TRUE BOOL_unsigned_char_Array_0[1] && stepLocal_0 [L53] EXPR float_Array_0[2] [L53] EXPR float_Array_0[4] [L53] EXPR float_Array_0[0] [L53] EXPR float_Array_0[1] [L53] EXPR float_Array_0[6] [L53] float_Array_0[3] = ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))) [L55] double_Array_0[0][0] = 500.25 [L56] EXPR double_Array_0[0][1] [L56] COND FALSE !(double_Array_0[0][1] > last_1_float_Array_0_5_) [L63] EXPR float_Array_0[0] [L63] float_Array_0[5] = float_Array_0[0] [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR double_Array_0[1][1] [L98] EXPR double_Array_0[0][1] [L98] EXPR double_Array_0[1][0] [L98] EXPR (double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1) [L98] EXPR ((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1) [L98] EXPR (((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1)) && (double_Array_0[0][0] == ((double) 500.25)) [L98] EXPR ((((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1)) && (double_Array_0[0][0] == ((double) 500.25))) && ((double_Array_0[0][1] > last_1_float_Array_0_5_) ? (BOOL_unsigned_char_Array_0[0] ? ((double_Array_0[1][0] <= ((((last_1_float_Array_0_5_) < (float_Array_0[4])) ? (last_1_float_Array_0_5_) : (float_Array_0[4])))) ? (float_Array_0[5] == ((float) (float_Array_0[6] + float_Array_0[4]))) : 1) : 1) : (float_Array_0[5] == ((float) float_Array_0[0]))) [L98-L99] return ((((double_Array_0[1][1] == ((double) (double_Array_0[0][1] - double_Array_0[1][0]))) && (((- unsigned_char_Array_0[0]) >= signed_long_int_Array_0[0]) ? ((signed_long_int_Array_0[0] > unsigned_char_Array_0[0]) ? ((double_Array_0[1][0] == double_Array_0[1][1]) ? (signed_long_int_Array_0[1] == ((signed long int) (256 - (unsigned_char_Array_0[0] + 5)))) : (signed_long_int_Array_0[1] == ((signed long int) unsigned_char_Array_0[0]))) : 1) : 1)) && ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[0]) ? (float_Array_0[3] == ((float) ((float_Array_0[2] - float_Array_0[4]) + (float_Array_0[0] + (float_Array_0[1] + float_Array_0[6]))))) : 1)) && (double_Array_0[0][0] == ((double) 500.25))) && ((double_Array_0[0][1] > last_1_float_Array_0_5_) ? (BOOL_unsigned_char_Array_0[0] ? ((double_Array_0[1][0] <= ((((last_1_float_Array_0_5_) < (float_Array_0[4])) ? (last_1_float_Array_0_5_) : (float_Array_0[4])))) ? (float_Array_0[5] == ((float) (float_Array_0[6] + float_Array_0[4]))) : 1) : 1) : (float_Array_0[5] == ((float) float_Array_0[0]))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_float_Array_0_5_=43/5, signed_long_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:52:28,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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_a0208150-becc-4dbd-8b76-e88a85b11a50/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 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:52:31,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:52:31,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:52:31,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:52:31,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:52:31,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:52:31,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:52:31,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:52:31,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:52:31,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:52:31,612 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:52:31,612 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:52:31,612 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:52:31,612 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:52:31,613 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:52:31,613 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:52:31,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:52:31,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:52:31,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:52:31,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:52:31,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:52:31,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:52:31,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:52:31,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:52:31,615 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:52:31,615 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:52:31,615 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:52:31,615 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:52:31,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:52:31,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:52:31,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:52:31,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:52:31,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:52:31,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:52:31,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:52:31,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:52:31,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:52:31,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:52:31,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:52:31,621 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:52:31,621 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:52:31,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:52:31,621 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:52:31,621 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_a0208150-becc-4dbd-8b76-e88a85b11a50/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 -> 46705387b09ad994e1a51666adbfb1b9ed7a0344d3fcdf3b9d51cd3cb2baf1b7 [2024-11-14 02:52:32,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:52:32,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:52:32,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:52:32,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:52:32,053 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:52:32,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i Unable to find full path for "g++" [2024-11-14 02:52:34,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:52:34,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:52:34,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i [2024-11-14 02:52:34,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data/cde7a49fe/b6aa662129b04080964129dd6cee615b/FLAGdc01672f6 [2024-11-14 02:52:34,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/data/cde7a49fe/b6aa662129b04080964129dd6cee615b [2024-11-14 02:52:34,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:52:34,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:52:34,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:52:34,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:52:34,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:52:34,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:34" (1/1) ... [2024-11-14 02:52:34,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271d4f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:34, skipping insertion in model container [2024-11-14 02:52:34,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:52:34" (1/1) ... [2024-11-14 02:52:34,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:52:34,950 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_a0208150-becc-4dbd-8b76-e88a85b11a50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-14 02:52:35,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:52:35,081 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:52:35,099 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_a0208150-becc-4dbd-8b76-e88a85b11a50/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-60.i[916,929] [2024-11-14 02:52:35,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:52:35,203 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:52:35,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35 WrapperNode [2024-11-14 02:52:35,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:52:35,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:52:35,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:52:35,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:52:35,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,282 INFO L138 Inliner]: procedures = 36, calls = 161, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 510 [2024-11-14 02:52:35,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:52:35,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:52:35,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:52:35,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:52:35,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:52:35,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:52:35,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:52:35,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:52:35,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (1/1) ... [2024-11-14 02:52:35,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:52:35,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:52:35,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:52:35,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:52:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:52:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-14 02:52:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-14 02:52:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 02:52:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:52:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-14 02:52:35,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 02:52:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-14 02:52:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 02:52:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 02:52:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 02:52:35,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:52:35,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:52:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:52:35,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:52:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 02:52:35,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 02:52:35,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:52:35,690 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:52:42,137 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-14 02:52:42,137 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:52:42,152 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:52:42,152 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:52:42,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:52:42 BoogieIcfgContainer [2024-11-14 02:52:42,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:52:42,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:52:42,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:52:42,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:52:42,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:52:34" (1/3) ... [2024-11-14 02:52:42,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b14e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:52:42, skipping insertion in model container [2024-11-14 02:52:42,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:52:35" (2/3) ... [2024-11-14 02:52:42,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b14e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:52:42, skipping insertion in model container [2024-11-14 02:52:42,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:52:42" (3/3) ... [2024-11-14 02:52:42,166 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-60.i [2024-11-14 02:52:42,185 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:52:42,188 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-60.i that has 2 procedures, 119 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:52:42,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:52:42,273 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;@48233e3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:52:42,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:52:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 102 states have internal predecessors, (148), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:52:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 02:52:42,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:52:42,301 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:52:42,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:52:42,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:52:42,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1174992038, now seen corresponding path program 1 times [2024-11-14 02:52:42,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:52:42,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291042823] [2024-11-14 02:52:42,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:52:42,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:52:42,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:52:42,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:52:42,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 02:52:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:52:43,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:52:43,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:52:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-14 02:52:43,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:52:43,467 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:52:43,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291042823] [2024-11-14 02:52:43,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291042823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:52:43,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:52:43,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:52:43,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604533106] [2024-11-14 02:52:43,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:52:43,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:52:43,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:52:43,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:52:43,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:52:43,504 INFO L87 Difference]: Start difference. First operand has 119 states, 101 states have (on average 1.4653465346534653) internal successors, (148), 102 states have internal predecessors, (148), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:52:43,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:52:43,576 INFO L93 Difference]: Finished difference Result 231 states and 365 transitions. [2024-11-14 02:52:43,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:52:43,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-14 02:52:43,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:52:43,586 INFO L225 Difference]: With dead ends: 231 [2024-11-14 02:52:43,586 INFO L226 Difference]: Without dead ends: 115 [2024-11-14 02:52:43,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:52:43,593 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:52:43,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:52:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-14 02:52:43,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-14 02:52:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:52:43,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2024-11-14 02:52:43,670 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 134 [2024-11-14 02:52:43,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:52:43,670 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2024-11-14 02:52:43,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:52:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-11-14 02:52:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 02:52:43,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:52:43,678 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:52:43,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:43,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:43,879 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:52:43,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:52:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1085767588, now seen corresponding path program 1 times [2024-11-14 02:52:43,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:52:43,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042860731] [2024-11-14 02:52:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:52:43,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:52:43,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:52:43,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:52:43,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:52:44,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:52:44,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:52:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-14 02:52:44,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:52:44,851 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:52:44,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042860731] [2024-11-14 02:52:44,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042860731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:52:44,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:52:44,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:52:44,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984951239] [2024-11-14 02:52:44,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:52:44,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:52:44,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:52:44,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:52:44,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:52:44,855 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:52:45,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:52:45,143 INFO L93 Difference]: Finished difference Result 229 states and 342 transitions. [2024-11-14 02:52:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:52:45,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-14 02:52:45,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:52:45,153 INFO L225 Difference]: With dead ends: 229 [2024-11-14 02:52:45,153 INFO L226 Difference]: Without dead ends: 117 [2024-11-14 02:52:45,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:52:45,155 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:52:45,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:52:45,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-14 02:52:45,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-14 02:52:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 100 states have (on average 1.43) internal successors, (143), 100 states have internal predecessors, (143), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:52:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 173 transitions. [2024-11-14 02:52:45,171 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 173 transitions. Word has length 134 [2024-11-14 02:52:45,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:52:45,173 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 173 transitions. [2024-11-14 02:52:45,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:52:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2024-11-14 02:52:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 02:52:45,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:52:45,177 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:52:45,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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)] Forceful destruction successful, exit code 0 [2024-11-14 02:52:45,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:45,378 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:52:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:52:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash 883943654, now seen corresponding path program 1 times [2024-11-14 02:52:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:52:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857588369] [2024-11-14 02:52:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:52:45,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:52:45,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:52:45,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:52:45,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:52:46,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:52:46,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:52:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 02:52:46,395 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:52:46,395 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:52:46,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857588369] [2024-11-14 02:52:46,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857588369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:52:46,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:52:46,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:52:46,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646323327] [2024-11-14 02:52:46,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:52:46,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:52:46,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:52:46,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:52:46,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:52:46,398 INFO L87 Difference]: Start difference. First operand 117 states and 173 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 02:52:46,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:52:46,787 INFO L93 Difference]: Finished difference Result 236 states and 350 transitions. [2024-11-14 02:52:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 02:52:46,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 134 [2024-11-14 02:52:46,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:52:46,793 INFO L225 Difference]: With dead ends: 236 [2024-11-14 02:52:46,793 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 02:52:46,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:52:46,794 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 1 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 02:52:46,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 649 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 02:52:46,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 02:52:46,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-14 02:52:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 104 states have internal predecessors, (147), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:52:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-14 02:52:46,819 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 134 [2024-11-14 02:52:46,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:52:46,820 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-14 02:52:46,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 02:52:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-14 02:52:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 02:52:46,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:52:46,826 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:52:46,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:47,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:47,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:52:47,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:52:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1636016280, now seen corresponding path program 1 times [2024-11-14 02:52:47,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:52:47,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116666781] [2024-11-14 02:52:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:52:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:52:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:52:47,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:52:47,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (5)] Waiting until timeout for monitored process [2024-11-14 02:52:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:52:47,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:52:47,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:52:48,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 02:52:48,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-14 02:52:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-14 02:52:48,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:52:48,415 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:52:48,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116666781] [2024-11-14 02:52:48,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116666781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:52:48,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:52:48,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:52:48,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962348217] [2024-11-14 02:52:48,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:52:48,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:52:48,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:52:48,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:52:48,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:52:48,421 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:52:53,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:52:53,352 INFO L93 Difference]: Finished difference Result 240 states and 352 transitions. [2024-11-14 02:52:53,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 02:52:53,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 134 [2024-11-14 02:52:53,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:52:53,360 INFO L225 Difference]: With dead ends: 240 [2024-11-14 02:52:53,360 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 02:52:53,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 02:52:53,363 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 151 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:52:53,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 450 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-14 02:52:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 02:52:53,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-14 02:52:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.4038461538461537) internal successors, (146), 104 states have internal predecessors, (146), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:52:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 176 transitions. [2024-11-14 02:52:53,376 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 176 transitions. Word has length 134 [2024-11-14 02:52:53,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:52:53,377 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 176 transitions. [2024-11-14 02:52:53,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:52:53,377 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2024-11-14 02:52:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 02:52:53,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:52:53,380 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:52:53,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (5)] Ended with exit code 0 [2024-11-14 02:52:53,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:52:53,581 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:52:53,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:52:53,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1212646862, now seen corresponding path program 1 times [2024-11-14 02:52:53,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:52:53,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970342200] [2024-11-14 02:52:53,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:52:53,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:52:53,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:52:53,586 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:52:53,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (6)] Waiting until timeout for monitored process [2024-11-14 02:52:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:52:54,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:52:54,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:52:54,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 02:52:54,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-14 02:52:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-14 02:52:54,955 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:52:54,955 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:52:54,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970342200] [2024-11-14 02:52:54,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970342200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:52:54,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:52:54,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:52:54,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944473998] [2024-11-14 02:52:54,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:52:54,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:52:54,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:52:54,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:52:54,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:52:54,966 INFO L87 Difference]: Start difference. First operand 121 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:52:58,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:53:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:01,863 INFO L93 Difference]: Finished difference Result 240 states and 350 transitions. [2024-11-14 02:53:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 02:53:01,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2024-11-14 02:53:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:01,870 INFO L225 Difference]: With dead ends: 240 [2024-11-14 02:53:01,871 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 02:53:01,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 02:53:01,873 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 141 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:01,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 446 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2024-11-14 02:53:01,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 02:53:01,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-14 02:53:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:53:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2024-11-14 02:53:01,885 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 175 transitions. Word has length 136 [2024-11-14 02:53:01,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:01,885 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 175 transitions. [2024-11-14 02:53:01,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:53:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 175 transitions. [2024-11-14 02:53:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-14 02:53:01,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:01,888 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:01,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (6)] Ended with exit code 0 [2024-11-14 02:53:02,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:53:02,089 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:02,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:02,090 INFO L85 PathProgramCache]: Analyzing trace with hash -218820952, now seen corresponding path program 1 times [2024-11-14 02:53:02,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:53:02,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392828514] [2024-11-14 02:53:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:02,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:53:02,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:53:02,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:53:02,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (7)] Waiting until timeout for monitored process [2024-11-14 02:53:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:02,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:53:02,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:53:03,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-14 02:53:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-14 02:53:03,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:53:03,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:53:03,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392828514] [2024-11-14 02:53:03,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392828514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:53:03,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:53:03,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:53:03,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406508884] [2024-11-14 02:53:03,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:53:03,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:53:03,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:53:03,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:53:03,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:53:03,465 INFO L87 Difference]: Start difference. First operand 121 states and 175 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:53:06,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:53:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:08,498 INFO L93 Difference]: Finished difference Result 240 states and 348 transitions. [2024-11-14 02:53:08,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 02:53:08,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2024-11-14 02:53:08,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:08,507 INFO L225 Difference]: With dead ends: 240 [2024-11-14 02:53:08,507 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 02:53:08,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 02:53:08,508 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 120 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:08,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 439 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-14 02:53:08,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 02:53:08,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-14 02:53:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 104 states have (on average 1.3846153846153846) internal successors, (144), 104 states have internal predecessors, (144), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:53:08,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 174 transitions. [2024-11-14 02:53:08,520 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 174 transitions. Word has length 138 [2024-11-14 02:53:08,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:08,520 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 174 transitions. [2024-11-14 02:53:08,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:53:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2024-11-14 02:53:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-14 02:53:08,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:08,523 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:08,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (7)] Forceful destruction successful, exit code 0 [2024-11-14 02:53:08,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:53:08,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:08,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:08,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1226950386, now seen corresponding path program 1 times [2024-11-14 02:53:08,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:53:08,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893984287] [2024-11-14 02:53:08,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:08,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:53:08,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:53:08,728 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:53:08,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (8)] Waiting until timeout for monitored process [2024-11-14 02:53:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:09,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:53:09,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:53:10,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-14 02:53:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-14 02:53:10,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:53:10,167 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:53:10,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893984287] [2024-11-14 02:53:10,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893984287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:53:10,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:53:10,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:53:10,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462347472] [2024-11-14 02:53:10,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:53:10,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:53:10,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:53:10,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:53:10,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:53:10,170 INFO L87 Difference]: Start difference. First operand 121 states and 174 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:53:12,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:53:16,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:53:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:17,084 INFO L93 Difference]: Finished difference Result 239 states and 345 transitions. [2024-11-14 02:53:17,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 02:53:17,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2024-11-14 02:53:17,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:17,092 INFO L225 Difference]: With dead ends: 239 [2024-11-14 02:53:17,092 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 02:53:17,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 02:53:17,093 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 112 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:17,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 437 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2024-11-14 02:53:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 02:53:17,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-11-14 02:53:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:53:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-14 02:53:17,110 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 140 [2024-11-14 02:53:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:17,112 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-14 02:53:17,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 02:53:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-14 02:53:17,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 02:53:17,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:17,119 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:17,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (8)] Ended with exit code 0 [2024-11-14 02:53:17,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 02:53:17,324 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:17,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:17,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1931828518, now seen corresponding path program 1 times [2024-11-14 02:53:17,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:53:17,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775881218] [2024-11-14 02:53:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:17,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:53:17,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:53:17,327 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:53:17,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (9)] Waiting until timeout for monitored process [2024-11-14 02:53:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:18,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 02:53:18,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:53:18,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-14 02:53:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 36 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 02:53:18,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:53:18,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-14 02:53:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 02:53:19,109 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:53:19,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775881218] [2024-11-14 02:53:19,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775881218] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:53:19,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [154285302] [2024-11-14 02:53:19,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:19,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:53:19,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:53:19,114 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:53:19,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 02:53:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:22,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 02:53:22,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:53:23,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 51 [2024-11-14 02:53:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 36 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 02:53:23,117 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:53:23,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 34 [2024-11-14 02:53:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 02:53:23,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [154285302] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:53:23,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376599091] [2024-11-14 02:53:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:23,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:53:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:53:23,745 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:53:23,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 02:53:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:24,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 02:53:24,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:53:24,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 40 [2024-11-14 02:53:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 36 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 02:53:24,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:53:24,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-14 02:53:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 02:53:24,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376599091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:53:24,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 02:53:24,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 10, 9, 9, 8] total 16 [2024-11-14 02:53:24,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746376799] [2024-11-14 02:53:24,917 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 02:53:24,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 02:53:24,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:53:24,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 02:53:24,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-14 02:53:24,920 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-14 02:53:29,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:53:33,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 02:53:35,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:35,703 INFO L93 Difference]: Finished difference Result 249 states and 355 transitions. [2024-11-14 02:53:35,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 02:53:35,710 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 142 [2024-11-14 02:53:35,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:35,711 INFO L225 Difference]: With dead ends: 249 [2024-11-14 02:53:35,711 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 02:53:35,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 831 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-11-14 02:53:35,712 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 119 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:35,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 829 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2024-11-14 02:53:35,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 02:53:35,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-11-14 02:53:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 02:53:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 169 transitions. [2024-11-14 02:53:35,723 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 169 transitions. Word has length 142 [2024-11-14 02:53:35,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:35,723 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 169 transitions. [2024-11-14 02:53:35,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 4 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-14 02:53:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 169 transitions. [2024-11-14 02:53:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-14 02:53:35,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:35,725 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:35,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 02:53:35,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (9)] Ended with exit code 0 [2024-11-14 02:53:36,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-14 02:53:36,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 02:53:36,327 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:53:36,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:36,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1252556264, now seen corresponding path program 1 times [2024-11-14 02:53:36,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:53:36,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270157801] [2024-11-14 02:53:36,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:36,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:53:36,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:53:36,330 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:53:36,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/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 (12)] Waiting until timeout for monitored process [2024-11-14 03:02:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:02:20,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-14 03:02:20,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:02:21,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 23 [2024-11-14 03:02:22,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 03:02:25,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 77 [2024-11-14 03:02:30,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-14 03:02:32,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-14 03:02:33,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-14 03:02:35,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-14 03:02:37,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-14 03:02:39,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-14 03:02:40,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 249 treesize of output 194 [2024-11-14 03:02:43,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:02:43,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 369 treesize of output 177 [2024-11-14 03:02:52,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 332 treesize of output 267 [2024-11-14 03:02:54,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 350 treesize of output 192 [2024-11-14 03:03:01,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 392 treesize of output 315 [2024-11-14 03:03:11,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:03:11,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 651 treesize of output 231 [2024-11-14 03:03:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 126 proven. 222 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-14 03:03:17,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:03:30,794 WARN L851 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_389 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_389) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse0 (concat (select .cse1 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse2 (concat (select .cse1 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (let ((.cse3 (concat (select .cse1 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))))) (fp.gt |c_ULTIMATE.start_step_#t~mem21#1| ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_float_Array_0_5_~0))) is different from false [2024-11-14 03:03:32,719 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (.cse6 (select |c_#memory_int| |c_~#double_Array_0~0.base|)) (.cse4 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))) (or (forall ((v_ArrVal_389 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_387 (_ BitVec 32)) (v_ArrVal_386 (_ BitVec 32))) (let ((.cse1 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse6 |c_~#double_Array_0~0.offset| v_ArrVal_386) (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|) v_ArrVal_387)) |c_~#float_Array_0~0.base| v_ArrVal_389) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse0 (concat (select .cse1 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse2 (concat (select .cse1 .cse3) (select .cse1 .cse4)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (let ((.cse5 (concat (select .cse1 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse1 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))))) (fp.gt (let ((.cse7 (concat (select .cse6 .cse3) (select .cse6 .cse4)))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_float_Array_0_5_~0)))) is different from false [2024-11-14 03:03:35,431 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_389 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_385 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_387 (_ BitVec 32)) (v_ArrVal_386 (_ BitVec 32))) (let ((.cse2 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (.cse3 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|)) (.cse1 (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_385) |c_~#double_Array_0~0.base|))) (or (fp.gt (let ((.cse0 (concat (select .cse1 .cse2) (select .cse1 .cse3)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_float_Array_0_5_~0)) (let ((.cse5 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse1 |c_~#double_Array_0~0.offset| v_ArrVal_386) (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|) v_ArrVal_387)) |c_~#float_Array_0~0.base| v_ArrVal_389) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse4 (concat (select .cse5 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (fp.sub c_currentRoundingMode (let ((.cse6 (concat (select .cse5 .cse2) (select .cse5 .cse3)))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6))) (let ((.cse7 (concat (select .cse5 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (select .cse5 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))))))))) is different from false [2024-11-14 03:03:45,931 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_389 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_168| (_ BitVec 64)) (v_ArrVal_385 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_387 (_ BitVec 32)) (v_ArrVal_386 (_ BitVec 32))) (let ((.cse12 (select |c_#memory_int| |c_~#double_Array_0~0.base|)) (.cse3 (bvadd (_ bv24 32) |c_~#double_Array_0~0.offset|)) (.cse2 (bvadd (_ bv28 32) |c_~#double_Array_0~0.offset|))) (let ((.cse8 (bvadd (_ bv20 32) |c_~#double_Array_0~0.offset|)) (.cse9 (bvadd (_ bv16 32) |c_~#double_Array_0~0.offset|)) (.cse5 (bvadd (_ bv12 32) |c_~#double_Array_0~0.offset|)) (.cse10 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse12 .cse3 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_168|)) .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_168|))) |c_~#float_Array_0~0.base| v_ArrVal_385) |c_~#double_Array_0~0.base|)) (.cse6 (bvadd (_ bv8 32) |c_~#double_Array_0~0.offset|))) (or (let ((.cse1 (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| (store (store .cse10 |c_~#double_Array_0~0.offset| v_ArrVal_386) (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|) v_ArrVal_387)) |c_~#float_Array_0~0.base| v_ArrVal_389) |c_~#double_Array_0~0.base|))) (fp.eq (let ((.cse0 (concat (select .cse1 .cse2) (select .cse1 .cse3)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse4 (concat (select .cse1 .cse5) (select .cse1 .cse6)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) (let ((.cse7 (concat (select .cse1 .cse8) (select .cse1 .cse9)))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_168|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_168|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_168|)) (fp.sub c_currentRoundingMode (let ((.cse11 (concat (select .cse12 .cse5) (select .cse12 .cse6)))) (fp ((_ extract 63 63) .cse11) ((_ extract 62 52) .cse11) ((_ extract 51 0) .cse11))) (let ((.cse13 (concat (select .cse12 .cse8) (select .cse12 .cse9)))) (fp ((_ extract 63 63) .cse13) ((_ extract 62 52) .cse13) ((_ extract 51 0) .cse13)))))) (fp.gt (let ((.cse14 (concat (select .cse10 .cse5) (select .cse10 .cse6)))) (fp ((_ extract 63 63) .cse14) ((_ extract 62 52) .cse14) ((_ extract 51 0) .cse14))) ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_float_Array_0_5_~0)))))) is different from false [2024-11-14 03:03:59,122 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:03:59,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270157801] [2024-11-14 03:03:59,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270157801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:03:59,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1218515216] [2024-11-14 03:03:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:03:59,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:03:59,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:03:59,130 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:03:59,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0208150-becc-4dbd-8b76-e88a85b11a50/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process