./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.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_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 0aa4dd51c4cd5f506c8ea883675989f435890e74667457bb82ef32d99c08b8b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:48:20,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:48:21,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:48:21,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:48:21,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:48:21,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:48:21,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:48:21,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:48:21,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:48:21,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:48:21,105 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:48:21,105 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:48:21,105 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:48:21,106 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:48:21,106 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:48:21,107 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:48:21,108 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:48:21,108 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:48:21,108 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:48:21,108 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:48:21,108 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:48:21,109 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:48:21,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:48:21,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:48:21,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:48:21,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:48:21,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:48:21,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:48:21,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:48:21,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:48:21,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:48:21,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:48:21,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:48:21,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:48:21,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:48:21,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:48:21,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:48:21,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:48:21,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:48:21,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:48:21,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:48:21,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:48:21,113 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:48:21,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:48:21,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:48:21,113 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:48:21,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:48:21,114 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_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 -> 0aa4dd51c4cd5f506c8ea883675989f435890e74667457bb82ef32d99c08b8b8 [2024-11-14 04:48:21,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:48:21,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:48:21,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:48:21,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:48:21,530 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:48:21,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i Unable to find full path for "g++" [2024-11-14 04:48:24,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:48:24,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:48:24,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i [2024-11-14 04:48:24,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data/cad8c59d6/8a6c1a25d2204ae3b068ed79cc741d4b/FLAG7d26ac13d [2024-11-14 04:48:24,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data/cad8c59d6/8a6c1a25d2204ae3b068ed79cc741d4b [2024-11-14 04:48:24,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:48:24,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:48:24,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:48:24,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:48:24,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:48:24,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:24,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a9f91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24, skipping insertion in model container [2024-11-14 04:48:24,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:24,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:48:24,713 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_c9c3b129-0bb0-445e-8d71-55428d7fd756/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i[916,929] [2024-11-14 04:48:24,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:48:24,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:48:24,815 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_c9c3b129-0bb0-445e-8d71-55428d7fd756/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i[916,929] [2024-11-14 04:48:24,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:48:24,934 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:48:24,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24 WrapperNode [2024-11-14 04:48:24,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:48:24,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:48:24,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:48:24,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:48:24,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:24,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,036 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2024-11-14 04:48:25,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:48:25,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:48:25,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:48:25,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:48:25,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:48:25,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:48:25,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:48:25,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:48:25,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (1/1) ... [2024-11-14 04:48:25,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:48:25,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:48:25,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:48:25,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:48:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:48:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 04:48:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:48:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 04:48:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:48:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 04:48:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:48:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:48:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:48:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:48:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:48:25,438 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:48:25,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:48:26,245 INFO L? ?]: Removed 118 outVars from TransFormulas that were not future-live. [2024-11-14 04:48:26,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:48:27,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:48:27,287 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:48:27,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:48:27 BoogieIcfgContainer [2024-11-14 04:48:27,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:48:27,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:48:27,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:48:27,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:48:27,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:48:24" (1/3) ... [2024-11-14 04:48:27,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f42533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:48:27, skipping insertion in model container [2024-11-14 04:48:27,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:24" (2/3) ... [2024-11-14 04:48:27,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f42533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:48:27, skipping insertion in model container [2024-11-14 04:48:27,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:48:27" (3/3) ... [2024-11-14 04:48:27,304 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-24.i [2024-11-14 04:48:27,325 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:48:27,328 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-24.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:48:27,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:48:27,420 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;@7390234e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:48:27,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:48:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:48:27,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-14 04:48:27,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:48:27,443 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:48:27,444 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:48:27,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:48:27,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1115755469, now seen corresponding path program 1 times [2024-11-14 04:48:27,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:48:27,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823780610] [2024-11-14 04:48:27,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:48:27,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:48:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:48:34,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:48:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:48:38,618 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:48:38,620 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:48:38,623 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:48:38,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:48:38,631 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:48:38,885 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:48:38,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:48:38 BoogieIcfgContainer [2024-11-14 04:48:38,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:48:38,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:48:38,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:48:38,891 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:48:38,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:48:27" (3/4) ... [2024-11-14 04:48:38,895 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:48:38,897 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:48:38,899 INFO L158 Benchmark]: Toolchain (without parser) took 14455.40ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 91.8MB in the beginning and 168.2MB in the end (delta: -76.4MB). Peak memory consumption was 247.4MB. Max. memory is 16.1GB. [2024-11-14 04:48:38,899 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:48:38,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.46ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 77.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:48:38,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.44ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:48:38,901 INFO L158 Benchmark]: Boogie Preprocessor took 87.68ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:48:38,902 INFO L158 Benchmark]: RCFGBuilder took 2162.19ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 66.0MB in the end (delta: 6.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2024-11-14 04:48:38,902 INFO L158 Benchmark]: TraceAbstraction took 11598.29ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 65.3MB in the beginning and 168.2MB in the end (delta: -103.0MB). Peak memory consumption was 245.5MB. Max. memory is 16.1GB. [2024-11-14 04:48:38,903 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 436.2MB. Free memory was 168.2MB in the beginning and 168.2MB in the end (delta: 58.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:48:38,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.46ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 77.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.44ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.68ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2162.19ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 66.0MB in the end (delta: 6.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11598.29ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 65.3MB in the beginning and 168.2MB in the end (delta: -103.0MB). Peak memory consumption was 245.5MB. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 436.2MB. Free memory was 168.2MB in the beginning and 168.2MB in the end (delta: 58.7kB). Peak memory consumption was 8.4MB. 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 70, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] signed char var_1_4 = 16; [L27] signed char* var_1_4_Pointer = &(var_1_4); [L28] signed char var_1_5 = 4; [L29] signed char* var_1_5_Pointer = &(var_1_5); [L30] signed char var_1_6 = 0; [L31] signed char* var_1_6_Pointer = &(var_1_6); [L32] unsigned short int var_1_7 = 0; [L33] unsigned short int* var_1_7_Pointer = &(var_1_7); [L34] unsigned short int var_1_10 = 55182; [L35] unsigned short int* var_1_10_Pointer = &(var_1_10); [L36] unsigned char var_1_12 = 0; [L37] unsigned char* var_1_12_Pointer = &(var_1_12); [L38] unsigned char var_1_14 = 1; [L39] unsigned char* var_1_14_Pointer = &(var_1_14); [L40] unsigned char var_1_15 = 1; [L41] unsigned char* var_1_15_Pointer = &(var_1_15); [L42] unsigned char var_1_16 = 100; [L43] unsigned char* var_1_16_Pointer = &(var_1_16); [L44] float var_1_17 = 2.25; [L45] float* var_1_17_Pointer = &(var_1_17); [L46] float var_1_18 = 199.4; [L47] float* var_1_18_Pointer = &(var_1_18); [L48] signed char var_1_19 = -128; [L49] signed char* var_1_19_Pointer = &(var_1_19); [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_uchar() [L76] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L76] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L77] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L77] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L78] var_1_4 = __VERIFIER_nondet_char() [L79] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L79] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L80] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L80] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L81] var_1_5 = __VERIFIER_nondet_char() [L82] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L82] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L83] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L83] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L84] var_1_6 = __VERIFIER_nondet_char() [L85] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L85] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L86] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L86] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L87] var_1_10 = __VERIFIER_nondet_ushort() [L88] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L88] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L89] EXPR \read(var_1_10) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L89] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L90] var_1_14 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L91] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L92] EXPR \read(var_1_14) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L92] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L93] var_1_15 = __VERIFIER_nondet_uchar() [L94] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L94] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L95] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L95] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L96] var_1_18 = __VERIFIER_nondet_float() [L97] EXPR \read(var_1_18) [L97] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F [L97] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) [L97] EXPR \read(var_1_18) [L97] EXPR var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F [L97] EXPR \read(var_1_18) [L97] EXPR var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F [L97] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L97] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L110] RET updateVariables() [L111] CALL step() [L53] EXPR \read(*var_1_2_Pointer) [L53] COND FALSE !(! (*(var_1_2_Pointer))) [L56] EXPR \read(*var_1_15_Pointer) [L56] (*(var_1_12_Pointer)) = ((! (*(var_1_15_Pointer))) || (! (! 0))) [L58] EXPR \read(*var_1_5_Pointer) [L58] (*(var_1_16_Pointer)) = (*(var_1_5_Pointer)) [L59] EXPR \read(*var_1_18_Pointer) [L59] (*(var_1_17_Pointer)) = (*(var_1_18_Pointer)) [L60] EXPR \read(*var_1_4_Pointer) [L60] (*(var_1_19_Pointer)) = (*(var_1_4_Pointer)) [L61] EXPR \read(*var_1_12_Pointer) [L61] (*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer))) [L61] EXPR \read(*var_1_17_Pointer) [L61] (*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer))) [L61] COND FALSE !((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) [L68] EXPR \read(*var_1_4_Pointer) [L68] (*(var_1_1_Pointer)) = (*(var_1_4_Pointer)) [L70] EXPR \read(*var_1_17_Pointer) [L70] EXPR \read(*var_1_17_Pointer) [L70] EXPR ((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)) [L70] EXPR \read(*var_1_17_Pointer) [L70] EXPR ((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)) [L70] EXPR \read(*var_1_17_Pointer) [L70] COND FALSE !(((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR \read(*var_1_12_Pointer) [L102] EXPR (*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer))) [L102] EXPR \read(*var_1_17_Pointer) [L102] EXPR (*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer))) [L102] EXPR ((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer)))) [L102] EXPR \read(*var_1_1_Pointer) [L102] EXPR \read(*var_1_4_Pointer) [L102] EXPR ((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer)))) [L102] EXPR (((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer))))) && ((((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1) [L102] EXPR \read(*var_1_17_Pointer) [L102] EXPR \read(*var_1_17_Pointer) [L102] EXPR ((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)) [L102] EXPR \read(*var_1_17_Pointer) [L102] EXPR ((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)) [L102] EXPR \read(*var_1_17_Pointer) [L102] EXPR (((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1 [L102] EXPR \read(*var_1_7_Pointer) [L102] EXPR \read(*var_1_10_Pointer) [L102] EXPR \read(*var_1_5_Pointer) [L102] EXPR \read(*var_1_16_Pointer) [L102] EXPR ((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))) [L102] EXPR \read(*var_1_16_Pointer) [L102] EXPR ((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))) [L102] EXPR (((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1 [L102] EXPR (((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer))))) && ((((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1) [L102] EXPR ((((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer))))) && ((((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1)) && ((! (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_14_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned char) ((! (*(var_1_15_Pointer))) || (! (! 0)))))) [L102] EXPR (((((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer))))) && ((((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1)) && ((! (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_14_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned char) ((! (*(var_1_15_Pointer))) || (! (! 0))))))) && ((*(var_1_16_Pointer)) == ((unsigned char) (*(var_1_5_Pointer)))) [L102] EXPR ((((((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer))))) && ((((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1)) && ((! (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_14_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned char) ((! (*(var_1_15_Pointer))) || (! (! 0))))))) && ((*(var_1_16_Pointer)) == ((unsigned char) (*(var_1_5_Pointer))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) [L102] EXPR (((((((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer))))) && ((((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1)) && ((! (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_14_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned char) ((! (*(var_1_15_Pointer))) || (! (! 0))))))) && ((*(var_1_16_Pointer)) == ((unsigned char) (*(var_1_5_Pointer))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer))))) && ((*(var_1_19_Pointer)) == ((signed char) (*(var_1_4_Pointer)))) [L102-L103] return (((((((*(var_1_12_Pointer)) || (64.75f < (*(var_1_17_Pointer)))) ? ((*(var_1_12_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((*(var_1_4_Pointer)) - (*(var_1_5_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) < ((*(var_1_6_Pointer)))) ? ((((((*(var_1_4_Pointer))) > ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer)))))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_4_Pointer))))) && ((((((((*(var_1_17_Pointer)) * 127.75)) > (((*(var_1_17_Pointer)) / 3.4))) ? (((*(var_1_17_Pointer)) * 127.75)) : (((*(var_1_17_Pointer)) / 3.4)))) >= (*(var_1_17_Pointer))) ? ((*(var_1_7_Pointer)) == ((unsigned short int) ((((((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) < ((*(var_1_16_Pointer)))) ? (((*(var_1_10_Pointer)) - (22925 - (*(var_1_5_Pointer))))) : ((*(var_1_16_Pointer))))))) : 1)) && ((! (*(var_1_2_Pointer))) ? ((*(var_1_12_Pointer)) == ((unsigned char) (*(var_1_14_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned char) ((! (*(var_1_15_Pointer))) || (! (! 0))))))) && ((*(var_1_16_Pointer)) == ((unsigned char) (*(var_1_5_Pointer))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer))))) && ((*(var_1_19_Pointer)) == ((signed char) (*(var_1_4_Pointer)))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_18={16:0}, var_1_18_Pointer={16:0}, var_1_19={17:0}, var_1_19_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:48:38,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 0aa4dd51c4cd5f506c8ea883675989f435890e74667457bb82ef32d99c08b8b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:48:42,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:48:42,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:48:42,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:48:42,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:48:42,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:48:42,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:48:42,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:48:42,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:48:42,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:48:42,931 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:48:42,932 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:48:42,932 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:48:42,933 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:48:42,933 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:48:42,935 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:48:42,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:48:42,936 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:48:42,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:48:42,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:48:42,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:48:42,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:48:42,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:48:42,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:48:42,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:48:42,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:48:42,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:48:42,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:48:42,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:48:42,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:48:42,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:48:42,941 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:48:42,942 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:48:42,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:48:42,942 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:48:42,942 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_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 -> 0aa4dd51c4cd5f506c8ea883675989f435890e74667457bb82ef32d99c08b8b8 [2024-11-14 04:48:43,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:48:43,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:48:43,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:48:43,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:48:43,429 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:48:43,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i Unable to find full path for "g++" [2024-11-14 04:48:46,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:48:46,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:48:46,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i [2024-11-14 04:48:46,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data/f9a37ca0a/de192ac63de34c3aa5df22868c4c0306/FLAG288898788 [2024-11-14 04:48:46,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/data/f9a37ca0a/de192ac63de34c3aa5df22868c4c0306 [2024-11-14 04:48:46,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:48:46,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:48:46,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:48:46,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:48:46,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:48:46,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:46,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1b3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46, skipping insertion in model container [2024-11-14 04:48:46,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:46,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:48:46,719 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_c9c3b129-0bb0-445e-8d71-55428d7fd756/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i[916,929] [2024-11-14 04:48:46,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:48:46,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:48:46,875 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_c9c3b129-0bb0-445e-8d71-55428d7fd756/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-24.i[916,929] [2024-11-14 04:48:46,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:48:46,980 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:48:46,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46 WrapperNode [2024-11-14 04:48:46,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:48:46,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:48:46,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:48:46,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:48:46,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,084 INFO L138 Inliner]: procedures = 33, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 491 [2024-11-14 04:48:47,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:48:47,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:48:47,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:48:47,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:48:47,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:48:47,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:48:47,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:48:47,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:48:47,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (1/1) ... [2024-11-14 04:48:47,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:48:47,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:48:47,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:48:47,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:48:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:48:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-14 04:48:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-14 04:48:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:48:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-14 04:48:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-14 04:48:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-14 04:48:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-14 04:48:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:48:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:48:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:48:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:48:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-14 04:48:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-14 04:48:47,561 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:48:47,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:48:58,766 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-14 04:48:58,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:48:58,787 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:48:58,789 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:48:58,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:48:58 BoogieIcfgContainer [2024-11-14 04:48:58,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:48:58,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:48:58,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:48:58,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:48:58,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:48:46" (1/3) ... [2024-11-14 04:48:58,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e0f558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:48:58, skipping insertion in model container [2024-11-14 04:48:58,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:48:46" (2/3) ... [2024-11-14 04:48:58,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e0f558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:48:58, skipping insertion in model container [2024-11-14 04:48:58,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:48:58" (3/3) ... [2024-11-14 04:48:58,812 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-24.i [2024-11-14 04:48:58,835 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:48:58,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-24.i that has 2 procedures, 101 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:48:58,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:48:58,942 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;@7dd86899, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:48:58,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:48:58,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 84 states have internal predecessors, (116), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:48:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:48:58,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:48:58,965 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:48:58,965 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:48:58,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:48:58,972 INFO L85 PathProgramCache]: Analyzing trace with hash -570375872, now seen corresponding path program 1 times [2024-11-14 04:48:58,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:48:58,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575594388] [2024-11-14 04:48:58,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:48:58,986 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 04:48:58,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:48:58,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:48:58,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:00,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:49:00,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-14 04:49:01,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:49:01,029 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:01,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575594388] [2024-11-14 04:49:01,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575594388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:01,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:01,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:49:01,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705095511] [2024-11-14 04:49:01,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:01,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:49:01,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:01,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:49:01,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:49:01,077 INFO L87 Difference]: Start difference. First operand has 101 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 84 states have internal predecessors, (116), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:49:01,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:01,138 INFO L93 Difference]: Finished difference Result 195 states and 301 transitions. [2024-11-14 04:49:01,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:49:01,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2024-11-14 04:49:01,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:01,148 INFO L225 Difference]: With dead ends: 195 [2024-11-14 04:49:01,148 INFO L226 Difference]: Without dead ends: 97 [2024-11-14 04:49:01,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 04:49:01,157 INFO L432 NwaCegarLoop]: 139 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, 139 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 04:49:01,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:49:01,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-14 04:49:01,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-14 04:49:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 80 states have (on average 1.3625) internal successors, (109), 80 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:49:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2024-11-14 04:49:01,214 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 124 [2024-11-14 04:49:01,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:01,215 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2024-11-14 04:49:01,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:49:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2024-11-14 04:49:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:49:01,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:01,220 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:01,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:01,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:01,421 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:01,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:01,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1895750886, now seen corresponding path program 1 times [2024-11-14 04:49:01,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:01,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997120099] [2024-11-14 04:49:01,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:01,424 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 04:49:01,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:01,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:01,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:03,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:49:03,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 04:49:03,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:49:03,366 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:03,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997120099] [2024-11-14 04:49:03,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997120099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:03,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:03,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:49:03,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333244473] [2024-11-14 04:49:03,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:03,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:49:03,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:03,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:49:03,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:49:03,372 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:03,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:03,563 INFO L93 Difference]: Finished difference Result 192 states and 277 transitions. [2024-11-14 04:49:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:49:03,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-14 04:49:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:03,570 INFO L225 Difference]: With dead ends: 192 [2024-11-14 04:49:03,570 INFO L226 Difference]: Without dead ends: 98 [2024-11-14 04:49:03,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:49:03,572 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:03,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:49:03,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-14 04:49:03,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-14 04:49:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:49:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-14 04:49:03,604 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 124 [2024-11-14 04:49:03,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:03,606 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-14 04:49:03,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-14 04:49:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:49:03,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:03,613 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:03,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:03,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:03,814 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:03,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:03,814 INFO L85 PathProgramCache]: Analyzing trace with hash 593778076, now seen corresponding path program 1 times [2024-11-14 04:49:03,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:03,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162572313] [2024-11-14 04:49:03,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:03,816 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 04:49:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:03,818 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:03,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:05,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:49:05,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 04:49:05,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:49:05,796 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:05,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162572313] [2024-11-14 04:49:05,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162572313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:05,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:05,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:49:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517445327] [2024-11-14 04:49:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:05,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:49:05,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:05,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:49:05,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:49:05,801 INFO L87 Difference]: Start difference. First operand 98 states and 140 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:05,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:05,996 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2024-11-14 04:49:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:49:05,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-14 04:49:05,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:06,000 INFO L225 Difference]: With dead ends: 194 [2024-11-14 04:49:06,000 INFO L226 Difference]: Without dead ends: 99 [2024-11-14 04:49:06,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:49:06,003 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:06,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:49:06,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-14 04:49:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-14 04:49:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:49:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-11-14 04:49:06,020 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 124 [2024-11-14 04:49:06,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:06,021 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-11-14 04:49:06,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-11-14 04:49:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:49:06,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:06,025 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:06,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:06,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:06,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:06,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:06,231 INFO L85 PathProgramCache]: Analyzing trace with hash -427290278, now seen corresponding path program 1 times [2024-11-14 04:49:06,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:06,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8417611] [2024-11-14 04:49:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:06,232 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 04:49:06,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:06,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:06,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:08,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:49:08,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:08,545 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 04:49:08,545 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:49:08,545 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:08,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8417611] [2024-11-14 04:49:08,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8417611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:08,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:08,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:49:08,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979190260] [2024-11-14 04:49:08,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:08,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:49:08,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:49:08,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:49:08,550 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:09,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:09,252 INFO L93 Difference]: Finished difference Result 200 states and 286 transitions. [2024-11-14 04:49:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:49:09,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-14 04:49:09,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:09,256 INFO L225 Difference]: With dead ends: 200 [2024-11-14 04:49:09,256 INFO L226 Difference]: Without dead ends: 104 [2024-11-14 04:49:09,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:49:09,259 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:09,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 520 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-14 04:49:09,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-14 04:49:09,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2024-11-14 04:49:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:49:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2024-11-14 04:49:09,275 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 124 [2024-11-14 04:49:09,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:09,276 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2024-11-14 04:49:09,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2024-11-14 04:49:09,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:49:09,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:09,280 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:09,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:49:09,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:09,481 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:09,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:09,482 INFO L85 PathProgramCache]: Analyzing trace with hash 252768092, now seen corresponding path program 1 times [2024-11-14 04:49:09,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:09,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592453192] [2024-11-14 04:49:09,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:09,483 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 04:49:09,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:09,486 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:09,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:11,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:49:11,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:11,868 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 04:49:11,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:49:11,869 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:11,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592453192] [2024-11-14 04:49:11,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592453192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:11,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:11,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:49:11,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795984324] [2024-11-14 04:49:11,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:11,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:49:11,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:11,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:49:11,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:49:11,872 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:12,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:12,683 INFO L93 Difference]: Finished difference Result 206 states and 291 transitions. [2024-11-14 04:49:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:49:12,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-14 04:49:12,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:12,688 INFO L225 Difference]: With dead ends: 206 [2024-11-14 04:49:12,688 INFO L226 Difference]: Without dead ends: 106 [2024-11-14 04:49:12,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:49:12,692 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:12,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 640 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 04:49:12,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-14 04:49:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2024-11-14 04:49:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:49:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2024-11-14 04:49:12,708 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 124 [2024-11-14 04:49:12,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:12,709 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2024-11-14 04:49:12,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2024-11-14 04:49:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:49:12,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:12,714 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:12,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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)] Forceful destruction successful, exit code 0 [2024-11-14 04:49:12,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:12,915 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:12,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:12,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2027775454, now seen corresponding path program 1 times [2024-11-14 04:49:12,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:12,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236816154] [2024-11-14 04:49:12,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:12,917 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 04:49:12,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:12,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:12,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:14,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:49:14,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 04:49:15,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:49:15,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:49:15,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236816154] [2024-11-14 04:49:15,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236816154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:49:15,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:49:15,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 04:49:15,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789118994] [2024-11-14 04:49:15,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:49:15,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:49:15,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:49:15,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:49:15,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:49:15,652 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:16,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:49:16,901 INFO L93 Difference]: Finished difference Result 210 states and 295 transitions. [2024-11-14 04:49:16,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:49:16,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-14 04:49:16,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:49:16,905 INFO L225 Difference]: With dead ends: 210 [2024-11-14 04:49:16,905 INFO L226 Difference]: Without dead ends: 108 [2024-11-14 04:49:16,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:49:16,907 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:49:16,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 761 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-14 04:49:16,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-14 04:49:16,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-14 04:49:16,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-14 04:49:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 149 transitions. [2024-11-14 04:49:16,923 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 149 transitions. Word has length 124 [2024-11-14 04:49:16,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:49:16,924 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 149 transitions. [2024-11-14 04:49:16,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:49:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2024-11-14 04:49:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:49:16,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:16,928 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:16,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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)] Ended with exit code 0 [2024-11-14 04:49:17,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:17,130 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:17,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:17,130 INFO L85 PathProgramCache]: Analyzing trace with hash 2029622496, now seen corresponding path program 1 times [2024-11-14 04:49:17,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:49:17,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096324014] [2024-11-14 04:49:17,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:17,131 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 04:49:17,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:49:17,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:17,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:49:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:49:20,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:49:20,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:49:39,275 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (let ((.cse0 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (= |c_ULTIMATE.start_step_#t~ite34#1| .cse0) (fp.gt .cse0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-14 04:49:41,372 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (let ((.cse0 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (= |c_ULTIMATE.start_step_#t~ite34#1| .cse0) (fp.gt .cse0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-14 04:50:00,555 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse3 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse0))) (let ((.cse1 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (= .cse0 |c_ULTIMATE.start_step_#t~mem35#1|) (= |c_ULTIMATE.start_step_#t~ite34#1| .cse1) (fp.gt .cse1 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven))))) is different from false [2024-11-14 04:50:02,651 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse3 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse0))) (let ((.cse1 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (= .cse0 |c_ULTIMATE.start_step_#t~mem35#1|) (= |c_ULTIMATE.start_step_#t~ite34#1| .cse1) (fp.gt .cse1 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven))))) is different from true [2024-11-14 04:50:17,584 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (let ((.cse0 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (not (fp.geq .cse0 .cse1)) (fp.gt .cse0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-14 04:50:19,717 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (let ((.cse0 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (not (fp.geq .cse0 .cse1)) (fp.gt .cse0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-14 04:50:32,607 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 156 treesize of output 84 [2024-11-14 04:51:04,055 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 259.0 4.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0)))) (or (and (not |c_ULTIMATE.start_property_#t~short74#1|) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (let ((.cse2 (fp.mul roundNearestTiesToEven .cse3 .cse5))) (and (not (fp.lt .cse0 .cse1)) (fp.gt .cse2 (fp.div roundNearestTiesToEven .cse3 .cse4)) (not (fp.geq .cse2 .cse3)))))))) (and |c_ULTIMATE.start_property_#t~short74#1| (exists ((v_arrayElimCell_1 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (let ((.cse8 ((_ to_fp 11 53) roundNearestTiesToEven .cse6))) (let ((.cse7 (fp.mul roundNearestTiesToEven .cse8 .cse5))) (and (fp.lt .cse0 .cse6) (fp.gt .cse7 (fp.div roundNearestTiesToEven .cse8 .cse4)) (not (fp.geq .cse7 .cse8)))))))))) is different from false [2024-11-14 04:51:06,100 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 259.0 4.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0)))) (or (and (not |c_ULTIMATE.start_property_#t~short74#1|) (exists ((v_arrayElimCell_1 (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (let ((.cse2 (fp.mul roundNearestTiesToEven .cse3 .cse5))) (and (not (fp.lt .cse0 .cse1)) (fp.gt .cse2 (fp.div roundNearestTiesToEven .cse3 .cse4)) (not (fp.geq .cse2 .cse3)))))))) (and |c_ULTIMATE.start_property_#t~short74#1| (exists ((v_arrayElimCell_1 (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (let ((.cse8 ((_ to_fp 11 53) roundNearestTiesToEven .cse6))) (let ((.cse7 (fp.mul roundNearestTiesToEven .cse8 .cse5))) (and (fp.lt .cse0 .cse6) (fp.gt .cse7 (fp.div roundNearestTiesToEven .cse8 .cse4)) (not (fp.geq .cse7 .cse8)))))))))) is different from true [2024-11-14 04:51:22,838 WARN L851 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven .cse0))) (let ((.cse1 (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0))))) (and (not (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (/ 259.0 4.0)) .cse0)) (fp.gt .cse1 (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0)))) (not (fp.geq .cse1 .cse2))))))) is different from false [2024-11-14 04:51:24,882 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_1 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1)))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven .cse0))) (let ((.cse1 (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0))))) (and (not (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (/ 259.0 4.0)) .cse0)) (fp.gt .cse1 (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0)))) (not (fp.geq .cse1 .cse2))))))) is different from true [2024-11-14 04:54:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 04:54:34,315 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:54:34,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:54:34,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096324014] [2024-11-14 04:54:34,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096324014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:54:34,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:54:34,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 04:54:34,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068249377] [2024-11-14 04:54:34,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:54:34,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 04:54:34,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:54:34,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 04:54:34,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=6, Unknown=10, NotChecked=40, Total=72 [2024-11-14 04:54:34,317 INFO L87 Difference]: Start difference. First operand 107 states and 149 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:54:37,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:39,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:42,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:44,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:47,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:49,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:52,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:54,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:57,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:54:59,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:55:01,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:55:03,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:55:07,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:55:09,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:55:12,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:55:14,163 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 04:55:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:55:14,650 INFO L93 Difference]: Finished difference Result 231 states and 319 transitions. [2024-11-14 04:55:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:55:14,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-14 04:55:14,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:55:14,657 INFO L225 Difference]: With dead ends: 231 [2024-11-14 04:55:14,657 INFO L226 Difference]: Without dead ends: 229 [2024-11-14 04:55:14,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=16, Invalid=6, Unknown=10, NotChecked=40, Total=72 [2024-11-14 04:55:14,659 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 77 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 1540 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:55:14,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 326 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 16 Unknown, 1540 Unchecked, 40.3s Time] [2024-11-14 04:55:14,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-14 04:55:14,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 227. [2024-11-14 04:55:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 194 states have (on average 1.3195876288659794) internal successors, (256), 194 states have internal predecessors, (256), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 04:55:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 316 transitions. [2024-11-14 04:55:14,684 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 316 transitions. Word has length 124 [2024-11-14 04:55:14,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:55:14,685 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 316 transitions. [2024-11-14 04:55:14,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:55:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 316 transitions. [2024-11-14 04:55:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:55:14,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:55:14,688 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:55:14,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 04:55:14,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:55:14,888 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:55:14,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:55:14,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1211974046, now seen corresponding path program 1 times [2024-11-14 04:55:14,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:55:14,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379157785] [2024-11-14 04:55:14,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:55:14,889 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 04:55:14,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:55:14,892 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:55:14,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:55:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:55:19,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 04:55:19,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:55:50,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 04:55:55,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 04:55:58,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2024-11-14 04:55:59,627 INFO L224 Elim1Store]: Index analysis took 134 ms [2024-11-14 04:55:59,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-11-14 04:55:59,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2024-11-14 04:56:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 30 proven. 196 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-14 04:56:00,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:56:00,584 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_212 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_213 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_214 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (_ bv0 8) ((_ extract 7 0) (select (select (store (store (store |c_#memory_int| c_~var_1_16_Pointer~0.base v_ArrVal_213) c_~var_1_17_Pointer~0.base v_ArrVal_212) c_~var_1_19_Pointer~0.base v_ArrVal_214) c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset))))) is different from false [2024-11-14 04:56:01,773 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:56:01,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379157785] [2024-11-14 04:56:01,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379157785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:56:01,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2099281242] [2024-11-14 04:56:01,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:01,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:56:01,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:56:01,778 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:56:01,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 04:56:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:56:05,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 04:56:05,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:56:28,219 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 15 treesize of output 1 [2024-11-14 04:56:35,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 04:56:40,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 04:56:43,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2024-11-14 04:56:44,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2024-11-14 04:56:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 1 proven. 235 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-14 04:56:44,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:56:46,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2099281242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:56:46,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473848759] [2024-11-14 04:56:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:56:46,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:56:46,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:56:46,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:56:46,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 04:57:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:57:24,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 04:57:24,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:57:32,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2024-11-14 04:57:33,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2024-11-14 04:57:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-14 04:57:34,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:57:37,812 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 35 treesize of output 27 [2024-11-14 04:57:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 04:57:38,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473848759] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 04:57:38,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:57:38,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15, 11, 7] total 35 [2024-11-14 04:57:38,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450985873] [2024-11-14 04:57:38,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:57:38,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:57:38,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:57:38,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:57:38,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1202, Unknown=21, NotChecked=70, Total=1406 [2024-11-14 04:57:38,843 INFO L87 Difference]: Start difference. First operand 227 states and 316 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:57:41,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:43,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:45,878 WARN L539 Checker$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 04:57:47,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:49,890 WARN L539 Checker$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 04:57:52,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:54,492 WARN L539 Checker$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 04:57:56,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:57:58,504 WARN L539 Checker$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 04:58:00,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:02,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:05,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:10,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:12,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:14,460 WARN L539 Checker$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 04:58:16,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:18,477 WARN L539 Checker$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 04:58:21,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:23,083 WARN L539 Checker$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 04:58:25,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:27,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:29,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:31,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:34,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:36,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:36,648 INFO L93 Difference]: Finished difference Result 564 states and 785 transitions. [2024-11-14 04:58:36,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:58:36,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-14 04:58:36,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:36,652 INFO L225 Difference]: With dead ends: 564 [2024-11-14 04:58:36,652 INFO L226 Difference]: Without dead ends: 340 [2024-11-14 04:58:36,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 511 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=121, Invalid=1344, Unknown=21, NotChecked=74, Total=1560 [2024-11-14 04:58:36,655 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 55 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 0 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:36,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 663 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 253 Invalid, 24 Unknown, 0 Unchecked, 57.0s Time] [2024-11-14 04:58:36,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-14 04:58:36,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 245. [2024-11-14 04:58:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 212 states have (on average 1.330188679245283) internal successors, (282), 212 states have internal predecessors, (282), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 04:58:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 342 transitions. [2024-11-14 04:58:36,696 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 342 transitions. Word has length 124 [2024-11-14 04:58:36,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:36,696 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 342 transitions. [2024-11-14 04:58:36,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 04:58:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 342 transitions. [2024-11-14 04:58:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 04:58:36,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:36,704 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:58:36,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-14 04:58:36,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:58:37,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 04:58:37,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:58:37,305 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:58:37,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1978082802, now seen corresponding path program 1 times [2024-11-14 04:58:37,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:58:37,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869699814] [2024-11-14 04:58:37,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:37,306 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 04:58:37,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:58:37,310 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 04:58:37,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-14 04:58:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:40,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-14 04:58:40,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:59:02,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 04:59:12,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 04:59:16,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 04:59:20,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2024-11-14 04:59:21,572 INFO L349 Elim1Store]: treesize reduction 43, result has 25.9 percent of original size [2024-11-14 04:59:21,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 67 [2024-11-14 04:59:22,067 INFO L349 Elim1Store]: treesize reduction 52, result has 18.8 percent of original size [2024-11-14 04:59:22,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 71 [2024-11-14 04:59:22,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-14 04:59:23,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-11-14 04:59:25,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 36 [2024-11-14 04:59:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 30 proven. 196 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-14 04:59:25,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:59:26,278 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_310 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ extract 7 0) (select (select (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_310) c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset)) (_ bv0 8)))) is different from false [2024-11-14 04:59:33,532 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:59:33,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869699814] [2024-11-14 04:59:33,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869699814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:59:33,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [250209722] [2024-11-14 04:59:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:33,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:59:33,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:59:33,534 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:59:33,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-14 04:59:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:36,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:59:36,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:59:57,061 INFO L349 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2024-11-14 04:59:57,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 25 [2024-11-14 05:00:00,247 INFO L224 Elim1Store]: Index analysis took 130 ms [2024-11-14 05:00:00,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 13 [2024-11-14 05:00:03,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-14 05:00:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 05:00:06,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:00:06,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [250209722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:00:06,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:00:06,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2024-11-14 05:00:06,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027489484] [2024-11-14 05:00:06,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:00:06,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 05:00:06,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:00:06,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 05:00:06,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=528, Unknown=27, NotChecked=48, Total=702 [2024-11-14 05:00:06,436 INFO L87 Difference]: Start difference. First operand 245 states and 342 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:00:17,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:19,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:21,132 WARN L539 Checker$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 [0] [2024-11-14 05:00:23,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:25,144 WARN L539 Checker$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 [0] [2024-11-14 05:00:27,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:29,794 WARN L539 Checker$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 [0] [2024-11-14 05:00:31,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:33,802 WARN L539 Checker$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 [0] [2024-11-14 05:00:35,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:38,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:40,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:42,285 WARN L539 Checker$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 [0] [2024-11-14 05:00:44,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:46,997 WARN L539 Checker$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 [0] [2024-11-14 05:00:49,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:56,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:00:58,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:00,207 WARN L539 Checker$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 [0] [2024-11-14 05:01:02,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:04,215 WARN L539 Checker$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 [0] [2024-11-14 05:01:06,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:08,716 WARN L539 Checker$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 [0] [2024-11-14 05:01:10,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:12,735 WARN L539 Checker$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 [0] [2024-11-14 05:01:14,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:18,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:20,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:22,300 WARN L539 Checker$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 [0] [2024-11-14 05:01:24,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:26,312 WARN L539 Checker$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 [0] [2024-11-14 05:01:28,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:30,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:32,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:34,958 WARN L539 Checker$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 [0] [2024-11-14 05:01:36,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:38,966 WARN L539 Checker$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 [0] [2024-11-14 05:01:40,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:43,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:45,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:47,466 WARN L539 Checker$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 [0] [2024-11-14 05:01:50,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:01:52,095 WARN L539 Checker$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 [0] [2024-11-14 05:01:54,103 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 [0] [2024-11-14 05:01:57,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:57,466 INFO L93 Difference]: Finished difference Result 735 states and 1019 transitions. [2024-11-14 05:01:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:01:57,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 125 [2024-11-14 05:01:57,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:57,472 INFO L225 Difference]: With dead ends: 735 [2024-11-14 05:01:57,472 INFO L226 Difference]: Without dead ends: 493 [2024-11-14 05:01:57,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 29.1s TimeCoverageRelationStatistics Valid=146, Invalid=823, Unknown=27, NotChecked=60, Total=1056 [2024-11-14 05:01:57,475 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 230 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 17 mSolverCounterUnsat, 44 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 44 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:57,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 376 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 570 Invalid, 44 Unknown, 0 Unchecked, 107.5s Time] [2024-11-14 05:01:57,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-14 05:01:57,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 397. [2024-11-14 05:01:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 346 states have (on average 1.329479768786127) internal successors, (460), 348 states have internal predecessors, (460), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-14 05:01:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 552 transitions. [2024-11-14 05:01:57,526 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 552 transitions. Word has length 125 [2024-11-14 05:01:57,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:57,527 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 552 transitions. [2024-11-14 05:01:57,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:01:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 552 transitions. [2024-11-14 05:01:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-14 05:01:57,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:57,530 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:01:57,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-14 05:01:57,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-14 05:01:57,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 05:01:57,931 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:01:57,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:57,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1844069296, now seen corresponding path program 1 times [2024-11-14 05:01:57,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:01:57,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748711656] [2024-11-14 05:01:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:57,933 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 05:01:57,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:01:57,935 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 05:01:57,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 (14)] Waiting until timeout for monitored process [2024-11-14 05:02:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:00,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 05:02:00,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-14 05:02:00,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:02:00,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:00,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748711656] [2024-11-14 05:02:00,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748711656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:00,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:00,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:02:00,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24411080] [2024-11-14 05:02:00,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:00,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:02:00,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:00,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:02:00,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:02:00,817 INFO L87 Difference]: Start difference. First operand 397 states and 552 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:02:04,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:06,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:09,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:11,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:15,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:17,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:20,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:22,303 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 05:02:23,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:23,347 INFO L93 Difference]: Finished difference Result 793 states and 1103 transitions. [2024-11-14 05:02:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:02:23,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 125 [2024-11-14 05:02:23,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:23,354 INFO L225 Difference]: With dead ends: 793 [2024-11-14 05:02:23,354 INFO L226 Difference]: Without dead ends: 399 [2024-11-14 05:02:23,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:02:23,357 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 14 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:23,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 401 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 8 Unknown, 0 Unchecked, 22.4s Time] [2024-11-14 05:02:23,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-14 05:02:23,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 397. [2024-11-14 05:02:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 346 states have (on average 1.323699421965318) internal successors, (458), 348 states have internal predecessors, (458), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-14 05:02:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 550 transitions. [2024-11-14 05:02:23,420 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 550 transitions. Word has length 125 [2024-11-14 05:02:23,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:23,421 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 550 transitions. [2024-11-14 05:02:23,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-14 05:02:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 550 transitions. [2024-11-14 05:02:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-14 05:02:23,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:23,424 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:23,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 (14)] Ended with exit code 0 [2024-11-14 05:02:23,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 05:02:23,625 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:23,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:23,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1078351523, now seen corresponding path program 1 times [2024-11-14 05:02:23,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:23,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655666771] [2024-11-14 05:02:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:23,626 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 05:02:23,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:23,631 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 05:02:23,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c3b129-0bb0-445e-8d71-55428d7fd756/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 (15)] Waiting until timeout for monitored process [2024-11-14 05:02:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:26,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:02:26,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:46,321 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (let ((.cse0 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (= |c_ULTIMATE.start_step_#t~ite34#1| .cse0) (fp.gt .cse0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2024-11-14 05:02:48,423 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse2 (select (select |c_#memory_int| c_~var_1_17_Pointer~0.base) c_~var_1_17_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (let ((.cse0 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (= |c_ULTIMATE.start_step_#t~ite34#1| .cse0) (fp.gt .cse0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-11-14 05:02:48,465 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 103 treesize of output 55 [2024-11-14 05:03:03,143 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_38 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_38) ((_ extract 30 23) v_arrayElimCell_38) ((_ extract 22 0) v_arrayElimCell_38)))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse0))) (let ((.cse1 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (= .cse0 |c_ULTIMATE.start_step_#t~mem35#1|) (fp.gt .cse1 (fp.div c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))) (= |c_ULTIMATE.start_step_#t~ite34#1| .cse1)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 05:03:15,701 WARN L851 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_38 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) v_arrayElimCell_38) ((_ extract 30 23) v_arrayElimCell_38) ((_ extract 22 0) v_arrayElimCell_38))))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0))))) (and (fp.gt .cse0 (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0)))) (not (fp.geq .cse0 .cse1)))))) is different from false [2024-11-14 05:03:17,742 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_38 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) v_arrayElimCell_38) ((_ extract 30 23) v_arrayElimCell_38) ((_ extract 22 0) v_arrayElimCell_38))))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0))))) (and (fp.gt .cse0 (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0)))) (not (fp.geq .cse0 .cse1)))))) is different from true