./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.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_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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_842db24b-753f-48c8-90e1-85a7412ce0f1/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 713991985049fa177433ff2ab0be75ca88d9e4252e5948e9e1205b00831a46f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:56:55,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:56:55,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:56:55,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:56:55,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:56:56,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:56:56,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:56:56,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:56:56,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:56:56,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:56:56,027 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:56:56,028 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:56:56,028 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:56:56,028 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:56:56,028 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:56:56,028 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:56:56,028 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:56:56,028 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:56:56,029 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:56:56,029 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:56:56,029 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:56:56,029 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:56:56,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:56:56,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:56:56,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:56:56,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:56:56,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:56,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:56:56,032 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:56:56,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:56:56,033 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_842db24b-753f-48c8-90e1-85a7412ce0f1/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 -> 713991985049fa177433ff2ab0be75ca88d9e4252e5948e9e1205b00831a46f2 [2024-11-14 04:56:56,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:56:56,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:56:56,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:56:56,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:56:56,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:56:56,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i Unable to find full path for "g++" [2024-11-14 04:56:58,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:56:58,557 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:56:58,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i [2024-11-14 04:56:58,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data/e6286dd26/53d61898e4f8454e82c47c195efe7be5/FLAGaf25dd6e4 [2024-11-14 04:56:58,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data/e6286dd26/53d61898e4f8454e82c47c195efe7be5 [2024-11-14 04:56:58,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:56:58,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:56:58,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:58,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:56:58,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:56:58,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:58" (1/1) ... [2024-11-14 04:56:58,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a75c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:58, skipping insertion in model container [2024-11-14 04:56:58,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:56:58" (1/1) ... [2024-11-14 04:56:58,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:56:58,833 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_842db24b-753f-48c8-90e1-85a7412ce0f1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i[916,929] [2024-11-14 04:56:58,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:58,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:56:58,965 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_842db24b-753f-48c8-90e1-85a7412ce0f1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i[916,929] [2024-11-14 04:56:59,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:56:59,078 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:56:59,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59 WrapperNode [2024-11-14 04:56:59,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:56:59,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:59,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:56:59,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:56:59,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,144 INFO L138 Inliner]: procedures = 30, calls = 187, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 562 [2024-11-14 04:56:59,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:56:59,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:56:59,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:56:59,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:56:59,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:56:59,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:56:59,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:56:59,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:56:59,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (1/1) ... [2024-11-14 04:56:59,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:56:59,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:59,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:56:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:56:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:56:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:56:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-14 04:56:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 04:56:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:56:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 04:56:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:56:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:56:59,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:56:59,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:56:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:56:59,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:56:59,442 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:56:59,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:57:00,514 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-14 04:57:00,514 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:57:01,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:57:01,256 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:57:01,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:01 BoogieIcfgContainer [2024-11-14 04:57:01,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:57:01,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:57:01,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:57:01,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:57:01,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:56:58" (1/3) ... [2024-11-14 04:57:01,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c71c2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:01, skipping insertion in model container [2024-11-14 04:57:01,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:56:59" (2/3) ... [2024-11-14 04:57:01,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c71c2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:01, skipping insertion in model container [2024-11-14 04:57:01,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:01" (3/3) ... [2024-11-14 04:57:01,268 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-45.i [2024-11-14 04:57:01,285 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:57:01,288 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-45.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:57:01,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:57:01,377 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;@686b2e84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:57:01,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:57:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 31 states have (on average 1.096774193548387) internal successors, (34), 32 states have internal predecessors, (34), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:57:01,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 04:57:01,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:01,396 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:01,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:01,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:01,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1399366121, now seen corresponding path program 1 times [2024-11-14 04:57:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:57:01,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566934476] [2024-11-14 04:57:01,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:57:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:57:03,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071012193] [2024-11-14 04:57:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:03,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:57:03,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:03,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:57:03,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:57:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:57:07,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:57:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:57:09,617 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:57:09,619 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:57:09,621 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:57:09,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:57:09,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:57:09,827 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:57:09,919 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:57:09,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:57:09 BoogieIcfgContainer [2024-11-14 04:57:09,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:57:09,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:57:09,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:57:09,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:57:09,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:01" (3/4) ... [2024-11-14 04:57:09,932 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:57:09,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:57:09,934 INFO L158 Benchmark]: Toolchain (without parser) took 11307.12ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.4MB in the beginning and 166.8MB in the end (delta: -72.4MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. [2024-11-14 04:57:09,934 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:57:09,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.67ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 75.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:57:09,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.26ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:57:09,935 INFO L158 Benchmark]: Boogie Preprocessor took 53.98ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 68.1MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:57:09,935 INFO L158 Benchmark]: RCFGBuilder took 2057.68ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 57.0MB in the end (delta: 11.1MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-14 04:57:09,936 INFO L158 Benchmark]: TraceAbstraction took 8669.94ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 56.4MB in the beginning and 166.9MB in the end (delta: -110.5MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-11-14 04:57:09,936 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 352.3MB. Free memory was 166.9MB in the beginning and 166.8MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:57:09,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.67ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 75.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.26ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 71.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.98ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 68.1MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2057.68ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 57.0MB in the end (delta: 11.1MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8669.94ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 56.4MB in the beginning and 166.9MB in the end (delta: -110.5MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 352.3MB. Free memory was 166.9MB in the beginning and 166.8MB in the end (delta: 44.9kB). 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 71, overapproximation of someBinaryFLOATComparisonOperation at line 131, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 79. Possible FailurePath: [L42] unsigned char isInitial = 0; [L43-L62] struct WrapperStruct00 WrapperStruct00 = { 999999.2, 5, -2, 0.0, 5.9, 255.6, 25.5, 0, 0.0, 1, 0, 0, 0, 1, 1, 64, -10, 5 }; [L63] unsigned char last_1_WrapperStruct00_var_1_18 = 64; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] CALL updateLastVariables() [L128] EXPR WrapperStruct00.var_1_18 [L128] last_1_WrapperStruct00_var_1_18 = WrapperStruct00.var_1_18 [L138] RET updateLastVariables() [L139] CALL updateVariables() [L87] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ushort() [L88] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L89] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L90] WrapperStruct00.var_1_4 = __VERIFIER_nondet_long() [L91] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L93] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L94] EXPR WrapperStruct00.var_1_6 [L94] EXPR WrapperStruct00.var_1_6 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 <= -1.0e-20F [L94] EXPR WrapperStruct00.var_1_6 [L94] EXPR WrapperStruct00.var_1_6 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 <= -1.0e-20F [L94] EXPR (WrapperStruct00.var_1_6 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L94] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L95] WrapperStruct00.var_1_7 = __VERIFIER_nondet_double() [L96] EXPR WrapperStruct00.var_1_7 [L96] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_7 [L96] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F [L96] EXPR (WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_8 [L98] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L98] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L98] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L101] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_11 [L103] EXPR WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_11 [L103] EXPR WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F [L103] EXPR (WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L104] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L106] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L107] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L109] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L110] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L111] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L112] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L113] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L114] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L115] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L116] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L117] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L118] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L119] WrapperStruct00.var_1_19 = __VERIFIER_nondet_char() [L120] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L120] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= -128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= -128) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L121] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L122] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(WrapperStruct00.var_1_19 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L123] WrapperStruct00.var_1_20 = __VERIFIER_nondet_uchar() [L124] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_20 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(WrapperStruct00.var_1_20 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L125] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_20 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(WrapperStruct00.var_1_20 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L139] RET updateVariables() [L140] CALL step() [L67] EXPR WrapperStruct00.var_1_2 [L67] EXPR WrapperStruct00.var_1_4 [L67] EXPR WrapperStruct00.var_1_19 [L67] COND TRUE ((WrapperStruct00.var_1_2 + WrapperStruct00.var_1_4) / WrapperStruct00.var_1_19) != last_1_WrapperStruct00_var_1_18 [L68] EXPR WrapperStruct00.var_1_20 [L68] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_20 [L70] EXPR WrapperStruct00.var_1_18 [L70] EXPR WrapperStruct00.var_1_18 [L70] EXPR WrapperStruct00.var_1_18 [L70] EXPR WrapperStruct00.var_1_18 [L70] EXPR (((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18) [L70] EXPR WrapperStruct00.var_1_18 [L70] EXPR (((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18) [L70] COND TRUE (WrapperStruct00.var_1_18 / 32) < (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18))) [L71] EXPR WrapperStruct00.var_1_6 [L71] EXPR WrapperStruct00.var_1_7 [L71] EXPR WrapperStruct00.var_1_8 [L71] WrapperStruct00.var_1_1 = ((WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) - WrapperStruct00.var_1_8) [L75] EXPR WrapperStruct00.var_1_18 [L75] EXPR WrapperStruct00.var_1_18 [L75] COND TRUE WrapperStruct00.var_1_18 == WrapperStruct00.var_1_18 [L76] WrapperStruct00.var_1_10 [L76] COND TRUE WrapperStruct00.var_1_10 [L77] EXPR WrapperStruct00.var_1_13 [L77] EXPR WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14 [L77] EXPR WrapperStruct00.var_1_14 [L77] EXPR WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14 [L77] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14) [L82] WrapperStruct00.var_1_12 [L82] COND FALSE !(WrapperStruct00.var_1_12) [L140] RET step() [L141] CALL, EXPR property() [L131] EXPR WrapperStruct00.var_1_18 [L131] EXPR WrapperStruct00.var_1_18 [L131] EXPR WrapperStruct00.var_1_18 [L131] EXPR WrapperStruct00.var_1_18 [L131] EXPR (((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18) [L131] EXPR WrapperStruct00.var_1_18 [L131] EXPR (((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18) [L131] EXPR ((WrapperStruct00.var_1_18 / 32) < (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18)))) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) - WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_7))) [L131] EXPR WrapperStruct00.var_1_1 [L131] EXPR WrapperStruct00.var_1_6 [L131] EXPR WrapperStruct00.var_1_7 [L131] EXPR WrapperStruct00.var_1_8 [L131] EXPR ((WrapperStruct00.var_1_18 / 32) < (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18)))) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) - WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_7))) [L131] EXPR (((WrapperStruct00.var_1_18 / 32) < (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18)))) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) - WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_9 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6))) - (WrapperStruct00.var_1_11 - 0.8f)))) : 1) [L131] EXPR ((((WrapperStruct00.var_1_18 / 32) < (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18)))) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) - WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_9 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6))) - (WrapperStruct00.var_1_11 - 0.8f)))) : 1)) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) (((WrapperStruct00.var_1_8 >= WrapperStruct00.var_1_1) || WrapperStruct00.var_1_15) && ((WrapperStruct00.var_1_13 || WrapperStruct00.var_1_16) && WrapperStruct00.var_1_17))))) : 1) [L131] EXPR (((((WrapperStruct00.var_1_18 / 32) < (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18)))) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) - WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_9 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6))) - (WrapperStruct00.var_1_11 - 0.8f)))) : 1)) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) (((WrapperStruct00.var_1_8 >= WrapperStruct00.var_1_1) || WrapperStruct00.var_1_15) && ((WrapperStruct00.var_1_13 || WrapperStruct00.var_1_16) && WrapperStruct00.var_1_17))))) : 1)) && ((((WrapperStruct00.var_1_2 + WrapperStruct00.var_1_4) / WrapperStruct00.var_1_19) != last_1_WrapperStruct00_var_1_18) ? (WrapperStruct00.var_1_18 == ((unsigned char) WrapperStruct00.var_1_20)) : 1) [L131-L132] return (((((WrapperStruct00.var_1_18 / 32) < (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) < (WrapperStruct00.var_1_18)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_18)))) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_6 - WrapperStruct00.var_1_7) - WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_1 == ((double) (WrapperStruct00.var_1_8 - WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_9 == ((float) (((((WrapperStruct00.var_1_8) < (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6))) - (WrapperStruct00.var_1_11 - 0.8f)))) : 1)) && ((WrapperStruct00.var_1_18 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_13 || WrapperStruct00.var_1_14))) : (WrapperStruct00.var_1_12 == ((unsigned char) (((WrapperStruct00.var_1_8 >= WrapperStruct00.var_1_1) || WrapperStruct00.var_1_15) && ((WrapperStruct00.var_1_13 || WrapperStruct00.var_1_16) && WrapperStruct00.var_1_17))))) : 1)) && ((((WrapperStruct00.var_1_2 + WrapperStruct00.var_1_4) / WrapperStruct00.var_1_19) != last_1_WrapperStruct00_var_1_18) ? (WrapperStruct00.var_1_18 == ((unsigned char) WrapperStruct00.var_1_20)) : 1) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_18=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 1, TraceHistogramMax: 25, 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=59occurred 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: 0.1s SsaConstructionTime, 5.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 2 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 04:57:09,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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_842db24b-753f-48c8-90e1-85a7412ce0f1/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 713991985049fa177433ff2ab0be75ca88d9e4252e5948e9e1205b00831a46f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:57:12,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:57:12,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:57:12,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:57:12,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:57:12,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:57:12,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:57:12,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:57:12,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:57:12,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:57:12,940 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:57:12,940 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:57:12,940 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:57:12,940 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:57:12,940 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:57:12,941 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:57:12,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:57:12,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:57:12,942 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:57:12,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:57:12,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:57:12,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:57:12,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:57:12,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:57:12,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:57:12,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:57:12,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:57:12,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:57:12,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:12,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:57:12,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:57:12,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:57:12,946 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:57:12,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:57:12,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:57:12,946 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:57:12,946 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_842db24b-753f-48c8-90e1-85a7412ce0f1/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 -> 713991985049fa177433ff2ab0be75ca88d9e4252e5948e9e1205b00831a46f2 [2024-11-14 04:57:13,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:57:13,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:57:13,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:57:13,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:57:13,281 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:57:13,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i Unable to find full path for "g++" [2024-11-14 04:57:15,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:57:15,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:57:15,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i [2024-11-14 04:57:15,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data/f351bcbe5/d632e4033860400bb472c289b5145aa5/FLAG93be71db7 [2024-11-14 04:57:15,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/data/f351bcbe5/d632e4033860400bb472c289b5145aa5 [2024-11-14 04:57:15,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:57:15,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:57:15,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:15,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:57:15,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:57:15,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:15,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b950500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15, skipping insertion in model container [2024-11-14 04:57:15,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:15,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:57:15,797 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_842db24b-753f-48c8-90e1-85a7412ce0f1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i[916,929] [2024-11-14 04:57:15,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:15,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:57:15,891 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_842db24b-753f-48c8-90e1-85a7412ce0f1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-45.i[916,929] [2024-11-14 04:57:15,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:15,965 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:57:15,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15 WrapperNode [2024-11-14 04:57:15,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:15,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:15,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:57:15,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:57:15,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,042 INFO L138 Inliner]: procedures = 40, calls = 187, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 559 [2024-11-14 04:57:16,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:16,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:57:16,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:57:16,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:57:16,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:57:16,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:57:16,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:57:16,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:57:16,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (1/1) ... [2024-11-14 04:57:16,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:16,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:16,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:57:16,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:57:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:57:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-14 04:57:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-14 04:57:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-14 04:57:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 04:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 04:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 04:57:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-14 04:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 04:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-14 04:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-14 04:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:57:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:57:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-14 04:57:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:57:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:57:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 04:57:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 04:57:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 04:57:16,366 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:57:16,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:57:24,183 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2024-11-14 04:57:24,183 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:57:24,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:57:24,203 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:57:24,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:24 BoogieIcfgContainer [2024-11-14 04:57:24,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:57:24,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:57:24,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:57:24,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:57:24,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:57:15" (1/3) ... [2024-11-14 04:57:24,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7259a967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:24, skipping insertion in model container [2024-11-14 04:57:24,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:15" (2/3) ... [2024-11-14 04:57:24,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7259a967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:57:24, skipping insertion in model container [2024-11-14 04:57:24,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:57:24" (3/3) ... [2024-11-14 04:57:24,217 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-45.i [2024-11-14 04:57:24,234 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:57:24,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-45.i that has 2 procedures, 140 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:57:24,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:57:24,318 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;@5fe93364, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:57:24,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:57:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 112 states have (on average 1.3928571428571428) internal successors, (156), 113 states have internal predecessors, (156), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:57:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 04:57:24,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:24,349 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:24,350 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:24,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:24,355 INFO L85 PathProgramCache]: Analyzing trace with hash -350366709, now seen corresponding path program 1 times [2024-11-14 04:57:24,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:24,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708411682] [2024-11-14 04:57:24,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:24,369 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 04:57:24,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:24,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:24,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:25,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:57:25,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2024-11-14 04:57:25,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:25,425 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:25,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708411682] [2024-11-14 04:57:25,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708411682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:25,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:25,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:57:25,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800067818] [2024-11-14 04:57:25,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:25,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:57:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:25,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:57:25,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:57:25,464 INFO L87 Difference]: Start difference. First operand has 140 states, 112 states have (on average 1.3928571428571428) internal successors, (156), 113 states have internal predecessors, (156), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:57:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:25,500 INFO L93 Difference]: Finished difference Result 273 states and 431 transitions. [2024-11-14 04:57:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:57:25,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 189 [2024-11-14 04:57:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:25,509 INFO L225 Difference]: With dead ends: 273 [2024-11-14 04:57:25,509 INFO L226 Difference]: Without dead ends: 136 [2024-11-14 04:57:25,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 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 04:57:25,516 INFO L432 NwaCegarLoop]: 199 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, 199 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 04:57:25,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:57:25,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-14 04:57:25,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-14 04:57:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:57:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 199 transitions. [2024-11-14 04:57:25,572 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 199 transitions. Word has length 189 [2024-11-14 04:57:25,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:25,574 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 199 transitions. [2024-11-14 04:57:25,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:57:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 199 transitions. [2024-11-14 04:57:25,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 04:57:25,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:25,581 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:25,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:25,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:25,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:25,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:25,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1812366377, now seen corresponding path program 1 times [2024-11-14 04:57:25,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:25,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1667459242] [2024-11-14 04:57:25,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:25,784 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 04:57:25,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:25,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:25,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:26,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:57:26,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:26,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2024-11-14 04:57:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 04:57:26,721 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:26,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:26,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1667459242] [2024-11-14 04:57:26,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1667459242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:26,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:26,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:57:26,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033840046] [2024-11-14 04:57:26,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:26,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:57:26,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:26,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:57:26,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:57:26,728 INFO L87 Difference]: Start difference. First operand 136 states and 199 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:57:28,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:57:28,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:28,577 INFO L93 Difference]: Finished difference Result 269 states and 395 transitions. [2024-11-14 04:57:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:57:28,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 189 [2024-11-14 04:57:28,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:28,582 INFO L225 Difference]: With dead ends: 269 [2024-11-14 04:57:28,582 INFO L226 Difference]: Without dead ends: 136 [2024-11-14 04:57:28,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:57:28,587 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 0 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:28,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 389 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-14 04:57:28,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-14 04:57:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-14 04:57:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 109 states have internal predecessors, (148), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:57:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 198 transitions. [2024-11-14 04:57:28,602 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 198 transitions. Word has length 189 [2024-11-14 04:57:28,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:28,604 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 198 transitions. [2024-11-14 04:57:28,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:57:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2024-11-14 04:57:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-14 04:57:28,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:28,608 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:28,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:57:28,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:28,810 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:28,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:28,811 INFO L85 PathProgramCache]: Analyzing trace with hash 123422635, now seen corresponding path program 1 times [2024-11-14 04:57:28,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:28,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972144371] [2024-11-14 04:57:28,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:28,812 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 04:57:28,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:28,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:28,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:29,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:57:29,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:29,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 04:57:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 04:57:29,669 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:29,669 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:29,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972144371] [2024-11-14 04:57:29,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972144371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:29,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:29,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:57:29,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99604473] [2024-11-14 04:57:29,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:29,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:57:29,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:29,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:57:29,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:57:29,672 INFO L87 Difference]: Start difference. First operand 136 states and 198 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:57:29,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:29,716 INFO L93 Difference]: Finished difference Result 269 states and 393 transitions. [2024-11-14 04:57:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:57:29,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 189 [2024-11-14 04:57:29,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:29,720 INFO L225 Difference]: With dead ends: 269 [2024-11-14 04:57:29,720 INFO L226 Difference]: Without dead ends: 136 [2024-11-14 04:57:29,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:57:29,722 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:29,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 389 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:57:29,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-14 04:57:29,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-14 04:57:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:57:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 197 transitions. [2024-11-14 04:57:29,737 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 197 transitions. Word has length 189 [2024-11-14 04:57:29,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:29,738 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 197 transitions. [2024-11-14 04:57:29,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:57:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2024-11-14 04:57:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-14 04:57:29,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:29,742 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:29,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:57:29,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:29,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:29,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:29,946 INFO L85 PathProgramCache]: Analyzing trace with hash 194510668, now seen corresponding path program 1 times [2024-11-14 04:57:29,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:29,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844654752] [2024-11-14 04:57:29,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:29,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:57:29,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:29,954 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:29,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:30,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:57:30,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:30,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-14 04:57:31,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-14 04:57:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 04:57:31,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:31,048 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:31,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844654752] [2024-11-14 04:57:31,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844654752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:31,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:31,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:57:31,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82147179] [2024-11-14 04:57:31,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:31,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:57:31,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:31,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:57:31,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:57:31,050 INFO L87 Difference]: Start difference. First operand 136 states and 197 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:57:33,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:35,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:37,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:39,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:40,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:41,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:43,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:45,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:47,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:49,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:51,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:57:51,610 INFO L93 Difference]: Finished difference Result 404 states and 587 transitions. [2024-11-14 04:57:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:57:51,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-11-14 04:57:51,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:57:51,615 INFO L225 Difference]: With dead ends: 404 [2024-11-14 04:57:51,616 INFO L226 Difference]: Without dead ends: 271 [2024-11-14 04:57:51,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:57:51,621 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 175 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 19 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:57:51,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 607 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 323 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2024-11-14 04:57:51,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-14 04:57:51,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 139. [2024-11-14 04:57:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:57:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 200 transitions. [2024-11-14 04:57:51,663 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 200 transitions. Word has length 192 [2024-11-14 04:57:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:57:51,664 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 200 transitions. [2024-11-14 04:57:51,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:57:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 200 transitions. [2024-11-14 04:57:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-14 04:57:51,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:57:51,670 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:51,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 04:57:51,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:51,871 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:57:51,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:57:51,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1393837234, now seen corresponding path program 1 times [2024-11-14 04:57:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:57:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089920255] [2024-11-14 04:57:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:57:51,873 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 04:57:51,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:57:51,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:57:51,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 04:57:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:52,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:57:52,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:52,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:57:52,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-11-14 04:57:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-11-14 04:57:53,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:57:53,094 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:57:53,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089920255] [2024-11-14 04:57:53,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089920255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:57:53,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:57:53,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:57:53,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076273184] [2024-11-14 04:57:53,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:53,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:57:53,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:53,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:57:53,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:57:53,099 INFO L87 Difference]: Start difference. First operand 139 states and 200 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:57:54,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:57,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:59,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:01,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:05,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:07,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:08,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:08,021 INFO L93 Difference]: Finished difference Result 276 states and 398 transitions. [2024-11-14 04:58:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:58:08,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 192 [2024-11-14 04:58:08,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:08,023 INFO L225 Difference]: With dead ends: 276 [2024-11-14 04:58:08,023 INFO L226 Difference]: Without dead ends: 140 [2024-11-14 04:58:08,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:58:08,025 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 177 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:08,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 573 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2024-11-14 04:58:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-14 04:58:08,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2024-11-14 04:58:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 112 states have (on average 1.3303571428571428) internal successors, (149), 112 states have internal predecessors, (149), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:58:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 199 transitions. [2024-11-14 04:58:08,035 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 199 transitions. Word has length 192 [2024-11-14 04:58:08,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:08,035 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 199 transitions. [2024-11-14 04:58:08,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:58:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 199 transitions. [2024-11-14 04:58:08,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-14 04:58:08,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:08,038 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:08,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 04:58:08,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:08,239 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:08,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:08,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1705126452, now seen corresponding path program 1 times [2024-11-14 04:58:08,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:08,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249326326] [2024-11-14 04:58:08,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:08,240 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 04:58:08,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:08,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:08,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 04:58:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:08,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:58:08,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:58:09,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:58:09,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-14 04:58:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-14 04:58:09,476 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:58:09,476 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:58:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249326326] [2024-11-14 04:58:09,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249326326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:09,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:09,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:58:09,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381183823] [2024-11-14 04:58:09,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:09,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:58:09,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:58:09,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:58:09,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:58:09,478 INFO L87 Difference]: Start difference. First operand 139 states and 199 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:58:11,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:15,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:19,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:20,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:20,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:20,369 INFO L93 Difference]: Finished difference Result 276 states and 396 transitions. [2024-11-14 04:58:20,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:58:20,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2024-11-14 04:58:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:20,371 INFO L225 Difference]: With dead ends: 276 [2024-11-14 04:58:20,372 INFO L226 Difference]: Without dead ends: 140 [2024-11-14 04:58:20,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:58:20,373 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 168 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:20,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 569 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2024-11-14 04:58:20,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-14 04:58:20,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2024-11-14 04:58:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 112 states have (on average 1.3214285714285714) internal successors, (148), 112 states have internal predecessors, (148), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:58:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 198 transitions. [2024-11-14 04:58:20,382 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 198 transitions. Word has length 194 [2024-11-14 04:58:20,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:20,383 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 198 transitions. [2024-11-14 04:58:20,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:58:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 198 transitions. [2024-11-14 04:58:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 04:58:20,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:20,386 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:20,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-14 04:58:20,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:20,587 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:20,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1391250034, now seen corresponding path program 1 times [2024-11-14 04:58:20,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708752976] [2024-11-14 04:58:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:20,588 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 04:58:20,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:20,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:20,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 04:58:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:21,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:58:21,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:58:21,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 04:58:21,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-14 04:58:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-11-14 04:58:21,753 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:58:21,753 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:58:21,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708752976] [2024-11-14 04:58:21,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708752976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:21,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:21,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:58:21,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449660217] [2024-11-14 04:58:21,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:21,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:58:21,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:58:21,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:58:21,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:58:21,755 INFO L87 Difference]: Start difference. First operand 139 states and 198 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:58:23,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:26,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:28,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:30,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:32,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:34,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:34,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:34,944 INFO L93 Difference]: Finished difference Result 276 states and 394 transitions. [2024-11-14 04:58:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:58:34,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 196 [2024-11-14 04:58:34,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:34,947 INFO L225 Difference]: With dead ends: 276 [2024-11-14 04:58:34,947 INFO L226 Difference]: Without dead ends: 140 [2024-11-14 04:58:34,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:58:34,948 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 158 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:34,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 563 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2024-11-14 04:58:34,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-14 04:58:34,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2024-11-14 04:58:34,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 112 states have (on average 1.3125) internal successors, (147), 112 states have internal predecessors, (147), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:58:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 197 transitions. [2024-11-14 04:58:34,965 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 197 transitions. Word has length 196 [2024-11-14 04:58:34,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:34,965 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 197 transitions. [2024-11-14 04:58:34,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:58:34,966 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 197 transitions. [2024-11-14 04:58:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-14 04:58:34,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:34,967 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:34,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-14 04:58:35,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:35,169 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:35,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:35,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2313844, now seen corresponding path program 1 times [2024-11-14 04:58:35,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:35,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657457409] [2024-11-14 04:58:35,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:35,170 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 04:58:35,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:35,172 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:35,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 04:58:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:35,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:58:35,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:58:36,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 43 [2024-11-14 04:58:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 576 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-14 04:58:36,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:58:36,463 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:58:36,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657457409] [2024-11-14 04:58:36,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657457409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:36,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:36,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:58:36,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796641621] [2024-11-14 04:58:36,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:36,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:58:36,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:58:36,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:58:36,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:58:36,465 INFO L87 Difference]: Start difference. First operand 139 states and 197 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:58:38,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:42,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:44,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:45,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:48,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:50,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:51,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:51,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:51,610 INFO L93 Difference]: Finished difference Result 276 states and 392 transitions. [2024-11-14 04:58:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:58:51,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 198 [2024-11-14 04:58:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:51,615 INFO L225 Difference]: With dead ends: 276 [2024-11-14 04:58:51,615 INFO L226 Difference]: Without dead ends: 140 [2024-11-14 04:58:51,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:58:51,616 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 144 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:51,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 559 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 4 Unknown, 0 Unchecked, 15.0s Time] [2024-11-14 04:58:51,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-14 04:58:51,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2024-11-14 04:58:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 112 states have internal predecessors, (146), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:58:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 196 transitions. [2024-11-14 04:58:51,625 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 196 transitions. Word has length 198 [2024-11-14 04:58:51,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:51,626 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 196 transitions. [2024-11-14 04:58:51,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:58:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2024-11-14 04:58:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-14 04:58:51,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:51,628 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:58:51,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-14 04:58:51,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:51,829 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:51,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:51,829 INFO L85 PathProgramCache]: Analyzing trace with hash 641084750, now seen corresponding path program 1 times [2024-11-14 04:58:51,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:51,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615635382] [2024-11-14 04:58:51,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:51,830 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 04:58:51,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:51,831 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/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 04:58:51,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_842db24b-753f-48c8-90e1-85a7412ce0f1/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process