./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 7450394d9b42bbab28f41eb9cd320d1bfd5e5369ed04b7325d413479a72d2da0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:47:43,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:47:43,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:47:43,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:47:43,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:47:43,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:47:43,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:47:43,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:47:43,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:47:43,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:47:43,818 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:47:43,818 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:47:43,818 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:47:43,818 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:47:43,818 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:47:43,818 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:47:43,819 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:47:43,819 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:47:43,819 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:47:43,819 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:47:43,819 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:47:43,819 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:47:43,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:47:43,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:47:43,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:47:43,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:47:43,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:47:43,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:47:43,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:47:43,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:47:43,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:47:43,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:47:43,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:47:43,821 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:47:43,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:47:43,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:47:43,823 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:47:43,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:47:43,823 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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 -> 7450394d9b42bbab28f41eb9cd320d1bfd5e5369ed04b7325d413479a72d2da0 [2024-11-13 23:47:44,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:47:44,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:47:44,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:47:44,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:47:44,139 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:47:44,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i Unable to find full path for "g++" [2024-11-13 23:47:46,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:47:46,328 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:47:46,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i [2024-11-13 23:47:46,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data/90e10175b/6f5742914fd6413eac93b940cd13ac62/FLAG00d5b06f4 [2024-11-13 23:47:46,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data/90e10175b/6f5742914fd6413eac93b940cd13ac62 [2024-11-13 23:47:46,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:47:46,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:47:46,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:47:46,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:47:46,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:47:46,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c425e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46, skipping insertion in model container [2024-11-13 23:47:46,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:47:46,551 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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i[913,926] [2024-11-13 23:47:46,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:47:46,633 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:47:46,645 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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i[913,926] [2024-11-13 23:47:46,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:47:46,686 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:47:46,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46 WrapperNode [2024-11-13 23:47:46,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:47:46,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:47:46,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:47:46,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:47:46,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,727 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-13 23:47:46,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:47:46,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:47:46,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:47:46,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:47:46,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:47:46,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:47:46,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:47:46,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:47:46,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (1/1) ... [2024-11-13 23:47:46,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:47:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:47:46,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:47:46,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:47:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:47:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:47:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:47:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:47:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:47:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:47:46,918 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:47:46,920 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:47:47,218 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:47:47,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:47:47,384 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:47:47,384 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:47:47,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:47:47 BoogieIcfgContainer [2024-11-13 23:47:47,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:47:47,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:47:47,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:47:47,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:47:47,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:47:46" (1/3) ... [2024-11-13 23:47:47,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c22a28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:47:47, skipping insertion in model container [2024-11-13 23:47:47,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:46" (2/3) ... [2024-11-13 23:47:47,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c22a28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:47:47, skipping insertion in model container [2024-11-13 23:47:47,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:47:47" (3/3) ... [2024-11-13 23:47:47,398 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-20.i [2024-11-13 23:47:47,416 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:47:47,419 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-20.i that has 2 procedures, 40 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:47:47,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:47:47,492 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;@60bb1308, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:47:47,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:47:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:47:47,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 23:47:47,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:47:47,507 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:47:47,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:47:47,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:47:47,512 INFO L85 PathProgramCache]: Analyzing trace with hash 142606347, now seen corresponding path program 1 times [2024-11-13 23:47:47,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:47:47,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482024752] [2024-11-13 23:47:47,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:47:47,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:47:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:47:47,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:47:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:47:48,157 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:47:48,159 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:47:48,161 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:47:48,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:47:48,168 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:47:48,246 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:47:48,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:47:48 BoogieIcfgContainer [2024-11-13 23:47:48,253 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:47:48,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:47:48,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:47:48,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:47:48,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:47:47" (3/4) ... [2024-11-13 23:47:48,260 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:47:48,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:47:48,263 INFO L158 Benchmark]: Toolchain (without parser) took 1895.19ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 68.6MB in the end (delta: 24.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-13 23:47:48,263 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:47:48,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.84ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.6MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:47:48,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.18ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:47:48,268 INFO L158 Benchmark]: Boogie Preprocessor took 28.29ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:47:48,268 INFO L158 Benchmark]: RCFGBuilder took 627.71ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 52.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:47:48,269 INFO L158 Benchmark]: TraceAbstraction took 865.32ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 68.7MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:47:48,269 INFO L158 Benchmark]: Witness Printer took 7.69ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:47:48,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 72.4MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.84ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.6MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.18ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.29ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 627.71ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 52.4MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 865.32ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 68.7MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.69ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.6; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 0.0; [L25] float var_1_4 = 2.95; [L26] float var_1_5 = 8.5; [L27] float var_1_6 = 999999999999.4; [L28] double var_1_7 = 10.2; [L29] double var_1_8 = 4.6; [L30] unsigned long int var_1_9 = 256; [L31] unsigned char var_1_10 = 0; [L32] unsigned long int var_1_11 = 3724367395; [L33] unsigned long int var_1_12 = 25; [L34] unsigned long int var_1_13 = 1; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 100; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_3=0, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_3 >= 4611686.018427382800e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_4=59/20, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L73] var_1_4 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_5=17/2, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L75] var_1_5 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_6=4999999999997/5, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_8=23/5, var_1_9=256] [L79] var_1_8 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L83] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=3724367395, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L84] var_1_11 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_11 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 >= 3221225470) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L86] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=25, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L87] var_1_12 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L89] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=1, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L90] var_1_13 = __VERIFIER_nondet_ulong() [L91] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L92] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L93] var_1_15 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L95] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=100, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L96] var_1_16 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L98] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=127, var_1_1=3/5, var_1_2=1, var_1_7=51/5, var_1_9=256] [L111] RET updateVariables() [L112] CALL step() [L41] COND TRUE \read(var_1_2) [L42] var_1_1 = ((var_1_3 - var_1_4) - var_1_5) [L46] var_1_7 = ((15.5 + var_1_4) - (var_1_3 - var_1_8)) [L47] unsigned long int stepLocal_2 = var_1_13; [L48] signed long int stepLocal_1 = 5; [L49] COND FALSE !(stepLocal_1 >= var_1_11) [L60] unsigned char stepLocal_0 = var_1_2; [L61] COND TRUE var_1_10 || stepLocal_0 [L62] var_1_9 = ((var_1_11 - var_1_14) - var_1_14) [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((var_1_2 ? (var_1_1 == ((float) ((var_1_3 - var_1_4) - var_1_5))) : (var_1_1 == ((float) (var_1_4 + var_1_6)))) && (var_1_7 == ((double) ((15.5 + var_1_4) - (var_1_3 - var_1_8))))) && ((var_1_10 || var_1_2) ? (var_1_9 == ((unsigned long int) ((var_1_11 - var_1_14) - var_1_14))) : (var_1_9 == ((unsigned long int) (var_1_14 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))))) && ((5 >= var_1_11) ? ((var_1_1 >= var_1_8) ? (var_1_14 == ((unsigned char) (128 - 16))) : ((var_1_13 >= ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_14 == ((unsigned char) (var_1_15 - var_1_16))) : (var_1_14 == ((unsigned char) var_1_16)))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=127, var_1_2=1, var_1_9=3221225468] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=3221225470, var_1_12=1073741823, var_1_13=0, var_1_14=1, var_1_15=-32384, var_1_16=127, var_1_2=1, var_1_9=3221225468] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 73 NumberOfCodeBlocks, 73 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 [2024-11-13 23:47:48,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 7450394d9b42bbab28f41eb9cd320d1bfd5e5369ed04b7325d413479a72d2da0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:47:51,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:47:51,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:47:51,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:47:51,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:47:51,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:47:51,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:47:51,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:47:51,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:47:51,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:47:51,585 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:47:51,585 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:47:51,585 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:47:51,585 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:47:51,585 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:47:51,585 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:47:51,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:47:51,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:47:51,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:47:51,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:47:51,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:47:51,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:47:51,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:47:51,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:47:51,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:47:51,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:47:51,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:47:51,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:47:51,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:47:51,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:47:51,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:47:51,592 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:47:51,592 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:47:51,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:47:51,593 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:47:51,593 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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 -> 7450394d9b42bbab28f41eb9cd320d1bfd5e5369ed04b7325d413479a72d2da0 [2024-11-13 23:47:51,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:47:51,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:47:51,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:47:51,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:47:51,995 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:47:51,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i Unable to find full path for "g++" [2024-11-13 23:47:54,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:47:54,349 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:47:54,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i [2024-11-13 23:47:54,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data/caaa9e314/66476cec73764792aa450188473f3485/FLAG4464bbaee [2024-11-13 23:47:54,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/data/caaa9e314/66476cec73764792aa450188473f3485 [2024-11-13 23:47:54,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:47:54,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:47:54,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:47:54,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:47:54,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:47:54,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f3c299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54, skipping insertion in model container [2024-11-13 23:47:54,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:47:54,656 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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i[913,926] [2024-11-13 23:47:54,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:47:54,746 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:47:54,760 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_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-20.i[913,926] [2024-11-13 23:47:54,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:47:54,812 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:47:54,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54 WrapperNode [2024-11-13 23:47:54,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:47:54,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:47:54,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:47:54,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:47:54,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,869 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-13 23:47:54,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:47:54,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:47:54,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:47:54,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:47:54,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:47:54,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:47:54,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:47:54,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:47:54,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (1/1) ... [2024-11-13 23:47:54,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:47:54,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:47:54,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:47:54,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:47:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:47:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:47:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:47:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:47:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:47:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:47:55,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:47:55,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:47:58,854 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:47:58,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:47:58,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:47:58,874 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:47:58,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:47:58 BoogieIcfgContainer [2024-11-13 23:47:58,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:47:58,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:47:58,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:47:58,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:47:58,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:47:54" (1/3) ... [2024-11-13 23:47:58,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705ca695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:47:58, skipping insertion in model container [2024-11-13 23:47:58,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:47:54" (2/3) ... [2024-11-13 23:47:58,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705ca695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:47:58, skipping insertion in model container [2024-11-13 23:47:58,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:47:58" (3/3) ... [2024-11-13 23:47:58,893 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-20.i [2024-11-13 23:47:58,911 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:47:58,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-20.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:47:58,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:47:59,017 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;@6f591f63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:47:59,018 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:47:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:47:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 23:47:59,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:47:59,040 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:47:59,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:47:59,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:47:59,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1827041761, now seen corresponding path program 1 times [2024-11-13 23:47:59,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:47:59,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148696512] [2024-11-13 23:47:59,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:47:59,065 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 [2024-11-13 23:47:59,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:47:59,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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) [2024-11-13 23:47:59,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 [2024-11-13 23:47:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:47:59,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:47:59,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:47:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-13 23:47:59,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:47:59,846 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:47:59,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148696512] [2024-11-13 23:47:59,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148696512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:47:59,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:47:59,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:47:59,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031908000] [2024-11-13 23:47:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:47:59,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:47:59,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:47:59,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:47:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:47:59,892 INFO L87 Difference]: Start difference. First operand has 57 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:47:59,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:47:59,934 INFO L93 Difference]: Finished difference Result 107 states and 179 transitions. [2024-11-13 23:47:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:47:59,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-11-13 23:47:59,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:47:59,946 INFO L225 Difference]: With dead ends: 107 [2024-11-13 23:47:59,947 INFO L226 Difference]: Without dead ends: 53 [2024-11-13 23:47:59,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:47:59,956 INFO L432 NwaCegarLoop]: 76 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, 76 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 [2024-11-13 23:47:59,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:47:59,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-13 23:48:00,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-13 23:48:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:48:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2024-11-13 23:48:00,021 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 121 [2024-11-13 23:48:00,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:00,023 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2024-11-13 23:48:00,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:48:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-13 23:48:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 23:48:00,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:48:00,031 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:48:00,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 [2024-11-13 23:48:00,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 [2024-11-13 23:48:00,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:48:00,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:48:00,233 INFO L85 PathProgramCache]: Analyzing trace with hash -127638869, now seen corresponding path program 1 times [2024-11-13 23:48:00,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:48:00,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633078201] [2024-11-13 23:48:00,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:48:00,235 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 [2024-11-13 23:48:00,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:48:00,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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) [2024-11-13 23:48:00,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a2a18d-a014-4b99-b649-bac6b4ca2cad/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 [2024-11-13 23:48:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:48:01,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 23:48:01,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:48:32,024 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:49:27,707 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (and (fp.leq c_~var_1_5~0 .cse0) (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1)) (fp.geq c_~var_1_3~0 .cse1) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0) c_~var_1_8~0))) (fp.leq c_~var_1_4~0 .cse2) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (fp.geq c_~var_1_4~0 .cse1) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (fp.geq c_~var_1_5~0 .cse1) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (not (= (_ bv0 8) c_~var_1_2~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-13 23:52:15,276 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (and (= c_~var_1_9~0 (bvadd c_~var_1_11~0 (bvmul (_ bv2 32) (bvneg ((_ zero_extend 24) c_~var_1_14~0))))) (fp.leq c_~var_1_5~0 .cse0) (fp.leq c_~var_1_3~0 .cse0) (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1)) (fp.geq c_~var_1_3~0 .cse1) (= c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0) c_~var_1_8~0))) (fp.leq c_~var_1_4~0 .cse2) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0) c_~var_1_5~0)) (fp.geq c_~var_1_4~0 .cse1) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (fp.geq c_~var_1_5~0 .cse1) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (not (= (_ bv0 8) c_~var_1_2~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false