./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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 c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:57:35,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:57:35,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:57:35,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:57:35,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:57:35,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:57:35,949 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:57:35,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:57:35,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:57:35,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:57:35,950 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:57:35,951 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:57:35,951 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:57:35,951 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:57:35,951 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:57:35,951 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:57:35,951 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:57:35,951 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:57:35,951 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:57:35,951 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:57:35,952 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:57:35,952 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:57:35,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:57:35,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:57:35,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:57:35,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:57:35,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:57:35,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:57:35,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:57:35,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:57:35,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:57:35,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:57:35,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:57:35,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:57:35,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:57:35,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:57:35,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:57:35,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:57:35,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:35,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:57:35,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:57:35,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:57:35,956 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:57:35,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:57:35,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:57:35,956 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:57:35,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:57:35,956 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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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 -> c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e [2024-11-14 04:57:36,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:57:36,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:57:36,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:57:36,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:57:36,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:57:36,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i Unable to find full path for "g++" [2024-11-14 04:57:38,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:57:38,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:57:38,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-14 04:57:38,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data/49d2a537d/920274a4801c4a9a9816d19af5a42379/FLAGe6ffdd9a3 [2024-11-14 04:57:38,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data/49d2a537d/920274a4801c4a9a9816d19af5a42379 [2024-11-14 04:57:38,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:57:38,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:57:38,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:38,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:57:38,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:57:38,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:38" (1/1) ... [2024-11-14 04:57:38,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482ef2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:38, skipping insertion in model container [2024-11-14 04:57:38,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:38" (1/1) ... [2024-11-14 04:57:38,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:57:38,919 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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-14 04:57:38,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:38,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:57:38,991 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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-14 04:57:39,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:39,033 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:57:39,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39 WrapperNode [2024-11-14 04:57:39,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:39,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:39,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:57:39,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:57:39,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,072 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-14 04:57:39,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:39,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:57:39,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:57:39,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:57:39,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:57:39,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:57:39,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:57:39,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:57:39,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (1/1) ... [2024-11-14 04:57:39,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:39,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:39,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:57:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:57:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:57:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:57:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:57:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:57:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:57:39,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:57:39,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:57:39,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:57:39,686 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:57:39,686 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:57:39,936 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:57:39,940 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:57:39,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:39 BoogieIcfgContainer [2024-11-14 04:57:39,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:57:39,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:57:39,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:57:39,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:57:39,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:57:38" (1/3) ... [2024-11-14 04:57:39,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b5c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:39, skipping insertion in model container [2024-11-14 04:57:39,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:39" (2/3) ... [2024-11-14 04:57:39,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708b5c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:39, skipping insertion in model container [2024-11-14 04:57:39,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:39" (3/3) ... [2024-11-14 04:57:39,951 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-14 04:57:39,968 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:57:39,969 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-0.i that has 2 procedures, 24 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:57:40,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:57:40,047 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;@3084a296, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:57:40,049 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:57:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 04:57:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-14 04:57:40,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:40,059 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 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 04:57:40,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:40,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:40,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1607028084, now seen corresponding path program 1 times [2024-11-14 04:57:40,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:57:40,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820310673] [2024-11-14 04:57:40,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:40,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:57:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:57:40,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:57:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:57:40,653 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:57:40,656 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:57:40,657 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:57:40,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:57:40,667 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:57:40,730 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:57:40,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:57:40 BoogieIcfgContainer [2024-11-14 04:57:40,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:57:40,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:57:40,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:57:40,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:57:40,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:39" (3/4) ... [2024-11-14 04:57:40,747 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:57:40,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:57:40,749 INFO L158 Benchmark]: Toolchain (without parser) took 2016.48ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 62.3MB in the end (delta: 32.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-14 04:57:40,749 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:57:40,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.50ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 81.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:57:40,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.49ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:57:40,752 INFO L158 Benchmark]: Boogie Preprocessor took 43.92ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.1MB in the end (delta: 995.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:57:40,752 INFO L158 Benchmark]: RCFGBuilder took 822.85ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 45.0MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 04:57:40,753 INFO L158 Benchmark]: TraceAbstraction took 793.98ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 62.3MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:57:40,753 INFO L158 Benchmark]: Witness Printer took 8.11ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:57:40,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.50ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 81.1MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.49ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.92ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.1MB in the end (delta: 995.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 822.85ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 45.0MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 793.98ms. Allocated memory is still 117.4MB. Free memory was 44.4MB in the beginning and 62.3MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.11ms. Allocated memory is still 117.4MB. Free memory is still 62.3MB. 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 someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] signed long int last_1_var_1_1 = 0; [L36] signed long int last_1_var_1_5 = 2; [L37] signed short int last_1_var_1_6 = -10; [L38] unsigned long int last_1_var_1_7 = 1; [L39] float last_1_var_1_14 = 5.4; [L40] signed long int last_1_var_1_17 = 64; [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L104] last_1_var_1_1 = var_1_1 [L105] last_1_var_1_5 = var_1_5 [L106] last_1_var_1_6 = var_1_6 [L107] last_1_var_1_7 = var_1_7 [L108] last_1_var_1_14 = var_1_14 [L109] last_1_var_1_17 = var_1_17 [L119] RET updateLastVariables() [L120] CALL updateVariables() [L87] var_1_9 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L89] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L90] var_1_10 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L92] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L93] var_1_12 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L95] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L96] var_1_13 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L98] var_1_15 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L100] var_1_16 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L120] RET updateVariables() [L121] CALL step() [L44] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L47] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) [L49] COND FALSE !(((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) [L52] var_1_17 = last_1_var_1_6 [L54] signed long int stepLocal_1 = - last_1_var_1_1; [L55] COND FALSE !(last_1_var_1_17 < stepLocal_1) [L58] signed long int stepLocal_3 = var_1_1; [L59] signed long int stepLocal_2 = var_1_17; [L60] COND FALSE !(var_1_17 > stepLocal_2) [L65] unsigned long int stepLocal_5 = var_1_9; [L66] COND FALSE !((var_1_12 * last_1_var_1_14) > var_1_13) [L73] var_1_14 = var_1_16 [L75] signed long int stepLocal_0 = var_1_17; [L76] COND FALSE !(var_1_6 < stepLocal_0) [L79] unsigned long int stepLocal_4 = var_1_9 - var_1_6; [L80] COND TRUE (- 8u) >= stepLocal_4 [L81] var_1_8 = (! var_1_10) [L121] RET step() [L122] CALL, EXPR property() [L112-L113] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967291, var_1_15=4294967291, var_1_16=4294967291, var_1_17=-10, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=4294967291, var_1_15=4294967291, var_1_16=4294967291, var_1_17=-10, var_1_1=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=4294967286] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 9, 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=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:57:40,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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 c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:57:43,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:57:43,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:57:43,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:57:43,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:57:43,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:57:43,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:57:43,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:57:43,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:57:43,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:57:43,702 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:57:43,702 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:57:43,703 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:57:43,703 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:57:43,703 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:57:43,703 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:57:43,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:57:43,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:57:43,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:57:43,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:57:43,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:57:43,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:57:43,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:57:43,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:57:43,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:57:43,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:57:43,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:57:43,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:43,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:57:43,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:57:43,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:57:43,710 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:57:43,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:57:43,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:57:43,710 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:57:43,710 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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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 -> c25fdf54b6f541c81bd34c83e620d33eb23d78f7c7642cf05a1f51f35a823e8e [2024-11-14 04:57:44,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:57:44,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:57:44,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:57:44,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:57:44,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:57:44,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i Unable to find full path for "g++" [2024-11-14 04:57:46,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:57:46,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:57:46,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-14 04:57:46,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data/c340879ae/81adc41c08a54c2d9dc8695c4b445b74/FLAG721c6fd4d [2024-11-14 04:57:46,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/data/c340879ae/81adc41c08a54c2d9dc8695c4b445b74 [2024-11-14 04:57:46,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:57:46,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:57:46,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:46,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:57:46,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:57:46,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ad9cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46, skipping insertion in model container [2024-11-14 04:57:46,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:57:46,536 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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-14 04:57:46,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:46,629 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:57:46,641 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_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-0.i[914,927] [2024-11-14 04:57:46,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:46,685 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:57:46,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46 WrapperNode [2024-11-14 04:57:46,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:46,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:46,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:57:46,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:57:46,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,741 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-14 04:57:46,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:46,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:57:46,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:57:46,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:57:46,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:57:46,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:57:46,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:57:46,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:57:46,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (1/1) ... [2024-11-14 04:57:46,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:46,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:46,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:57:46,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:57:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:57:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:57:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:57:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:57:46,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:57:46,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:58:00,060 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 04:58:00,061 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:58:00,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:58:00,074 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:58:00,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:58:00 BoogieIcfgContainer [2024-11-14 04:58:00,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:58:00,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:58:00,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:58:00,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:58:00,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:57:46" (1/3) ... [2024-11-14 04:58:00,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d0146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:58:00, skipping insertion in model container [2024-11-14 04:58:00,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:46" (2/3) ... [2024-11-14 04:58:00,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d0146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:58:00, skipping insertion in model container [2024-11-14 04:58:00,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:58:00" (3/3) ... [2024-11-14 04:58:00,086 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-0.i [2024-11-14 04:58:00,104 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:58:00,107 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-0.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:58:00,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:58:00,186 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;@6d5db54c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:58:00,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:58:00,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 04:58:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:58:00,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:00,202 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:00,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:00,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash -324646780, now seen corresponding path program 1 times [2024-11-14 04:58:00,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:00,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646462277] [2024-11-14 04:58:00,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:00,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:58:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:00,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:58:00,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:58:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:02,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:58:02,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:58:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-14 04:58:02,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:58:02,090 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:58:02,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646462277] [2024-11-14 04:58:02,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646462277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:02,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:02,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:58:02,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624230564] [2024-11-14 04:58:02,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:02,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:58:02,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:58:02,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:58:02,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:58:02,125 INFO L87 Difference]: Start difference. First operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 04:58:02,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:02,153 INFO L93 Difference]: Finished difference Result 89 states and 139 transitions. [2024-11-14 04:58:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:58:02,155 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2024-11-14 04:58:02,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:02,162 INFO L225 Difference]: With dead ends: 89 [2024-11-14 04:58:02,162 INFO L226 Difference]: Without dead ends: 44 [2024-11-14 04:58:02,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 04:58:02,169 INFO L432 NwaCegarLoop]: 61 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, 61 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 04:58:02,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:58:02,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-14 04:58:02,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-14 04:58:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 04:58:02,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2024-11-14 04:58:02,213 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 72 [2024-11-14 04:58:02,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:02,213 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2024-11-14 04:58:02,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 04:58:02,214 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2024-11-14 04:58:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:58:02,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:02,216 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:02,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:58:02,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:58:02,417 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:02,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:02,418 INFO L85 PathProgramCache]: Analyzing trace with hash 938863102, now seen corresponding path program 1 times [2024-11-14 04:58:02,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:02,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170769319] [2024-11-14 04:58:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:02,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:58:02,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:02,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:58:02,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:58:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:04,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:58:04,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:58:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 04:58:08,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:58:08,828 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:58:08,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170769319] [2024-11-14 04:58:08,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170769319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:08,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:08,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:58:08,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268027082] [2024-11-14 04:58:08,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:08,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:58:08,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:58:08,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:58:08,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:58:08,832 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 04:58:12,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:14,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:16,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:18,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:20,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:20,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:20,955 INFO L93 Difference]: Finished difference Result 140 states and 195 transitions. [2024-11-14 04:58:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:58:21,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 72 [2024-11-14 04:58:21,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:21,150 INFO L225 Difference]: With dead ends: 140 [2024-11-14 04:58:21,151 INFO L226 Difference]: Without dead ends: 99 [2024-11-14 04:58:21,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:58:21,152 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 84 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:21,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 163 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 11.9s Time] [2024-11-14 04:58:21,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-14 04:58:21,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 83. [2024-11-14 04:58:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 62 states have internal predecessors, (81), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 04:58:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-14 04:58:21,173 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 72 [2024-11-14 04:58:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:21,174 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-14 04:58:21,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 04:58:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-14 04:58:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:58:21,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:21,176 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:21,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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 04:58:21,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:58:21,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:21,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:21,377 INFO L85 PathProgramCache]: Analyzing trace with hash -82205252, now seen corresponding path program 1 times [2024-11-14 04:58:21,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:21,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976697719] [2024-11-14 04:58:21,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:21,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:58:21,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:21,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:58:21,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:58:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:23,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:58:23,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:58:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-14 04:58:31,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:58:31,601 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:58:31,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1976697719] [2024-11-14 04:58:31,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1976697719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:31,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:31,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:58:31,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059763008] [2024-11-14 04:58:31,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:31,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:58:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:58:31,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:58:31,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:58:31,604 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 04:58:34,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:36,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:38,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:41,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:43,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:45,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:47,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:51,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:53,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:55,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:57,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:59,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:01,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:03,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:05,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:07,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:09,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:11,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:15,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:17,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:19,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:21,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:23,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:25,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:28,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:30,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:30,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:30,140 INFO L93 Difference]: Finished difference Result 263 states and 372 transitions. [2024-11-14 04:59:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:59:30,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 72 [2024-11-14 04:59:30,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:30,247 INFO L225 Difference]: With dead ends: 263 [2024-11-14 04:59:30,248 INFO L226 Difference]: Without dead ends: 183 [2024-11-14 04:59:30,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:59:30,256 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 110 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 19 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:30,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 209 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 168 Invalid, 26 Unknown, 0 Unchecked, 57.7s Time] [2024-11-14 04:59:30,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-14 04:59:30,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 116. [2024-11-14 04:59:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 85 states have internal predecessors, (110), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-14 04:59:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2024-11-14 04:59:30,331 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 164 transitions. Word has length 72 [2024-11-14 04:59:30,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:30,334 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 164 transitions. [2024-11-14 04:59:30,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-14 04:59:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2024-11-14 04:59:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:59:30,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:30,339 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:30,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:59:30,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:59:30,540 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:59:30,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:30,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1857212614, now seen corresponding path program 1 times [2024-11-14 04:59:30,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:59:30,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142392372] [2024-11-14 04:59:30,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:30,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:59:30,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:59:30,550 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:59:30,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89745ac9-5fd5-42bb-9741-8a0e004f6c1d/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 04:59:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:32,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 04:59:32,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:00:31,127 WARN L851 $PredicateComparison]: unable to prove that (and (fp.geq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 05:00:33,214 WARN L873 $PredicateComparison]: unable to prove that (and (fp.geq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-14 05:02:32,348 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 05:02:34,462 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-14 05:03:54,653 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (let ((.cse0 ((_ sign_extend 16) (_ bv65526 16)))) (bvadd .cse0 (bvneg .cse0))) c_~var_1_5~0) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 05:03:56,759 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (let ((.cse0 ((_ sign_extend 16) (_ bv65526 16)))) (bvadd .cse0 (bvneg .cse0))) c_~var_1_5~0) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-14 05:04:44,599 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) (_ bv65526 16)))) (let ((.cse1 (bvneg .cse0))) (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (bvadd .cse0 .cse1) c_~var_1_5~0) (= |c_ULTIMATE.start_step_~stepLocal_4~0#1| (bvadd c_~var_1_9~0 .cse1)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-14 05:04:46,717 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) (_ bv65526 16)))) (let ((.cse1 (bvneg .cse0))) (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (bvadd .cse0 .cse1) c_~var_1_5~0) (= |c_ULTIMATE.start_step_~stepLocal_4~0#1| (bvadd c_~var_1_9~0 .cse1)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-14 05:05:43,515 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) (_ bv65526 16)))) (let ((.cse1 (bvneg .cse0))) (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (bvadd .cse0 .cse1) c_~var_1_5~0) (bvuge (_ bv4294967288 32) (bvadd c_~var_1_9~0 .cse1)) (= (_ bv1 32) c_~var_1_7~0) (let ((.cse2 (= (_ bv0 8) c_~var_1_10~0))) (or (and (= (_ bv1 8) c_~var_1_8~0) .cse2) (and (not .cse2) (= (_ bv0 8) c_~var_1_8~0)))) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-14 05:05:45,623 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 16) (_ bv65526 16)))) (let ((.cse1 (bvneg .cse0))) (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (bvadd .cse0 .cse1) c_~var_1_5~0) (bvuge (_ bv4294967288 32) (bvadd c_~var_1_9~0 .cse1)) (= (_ bv1 32) c_~var_1_7~0) (let ((.cse2 (= (_ bv0 8) c_~var_1_10~0))) (or (and (= (_ bv1 8) c_~var_1_8~0) .cse2) (and (not .cse2) (= (_ bv0 8) c_~var_1_8~0)))) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true