./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.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_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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_27d6e203-d29d-452e-a02c-850f5e30e37b/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 ae9a6aa622c8554d9b66a979b5a73e2a83df40b2d25468203149fd612b870449 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:06:40,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:06:41,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:06:41,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:06:41,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:06:41,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:06:41,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:06:41,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:06:41,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:06:41,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:06:41,153 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:06:41,153 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:06:41,153 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:06:41,153 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:06:41,154 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:06:41,154 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:06:41,154 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:06:41,154 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:06:41,157 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:06:41,157 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:06:41,158 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:06:41,158 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:06:41,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:06:41,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:06:41,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:06:41,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:06:41,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:06:41,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:06:41,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:06:41,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:06:41,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:06:41,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:06:41,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:06:41,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:06:41,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:06:41,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:06:41,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:06:41,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:06:41,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:41,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:06:41,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:06:41,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:06:41,162 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:06:41,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:06:41,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:06:41,163 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:06:41,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:06:41,163 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_27d6e203-d29d-452e-a02c-850f5e30e37b/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 -> ae9a6aa622c8554d9b66a979b5a73e2a83df40b2d25468203149fd612b870449 [2024-11-14 05:06:41,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:06:41,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:06:41,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:06:41,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:06:41,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:06:41,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i Unable to find full path for "g++" [2024-11-14 05:06:43,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:06:44,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:06:44,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i [2024-11-14 05:06:44,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data/571de3281/9559629f417e4fd180a028cf5db3562f/FLAG3f6e1ada3 [2024-11-14 05:06:44,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data/571de3281/9559629f417e4fd180a028cf5db3562f [2024-11-14 05:06:44,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:06:44,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:06:44,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:44,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:06:44,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:06:44,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0c42e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44, skipping insertion in model container [2024-11-14 05:06:44,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:06:44,597 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_27d6e203-d29d-452e-a02c-850f5e30e37b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i[915,928] [2024-11-14 05:06:44,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:44,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:06:44,699 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_27d6e203-d29d-452e-a02c-850f5e30e37b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i[915,928] [2024-11-14 05:06:44,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:44,750 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:06:44,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44 WrapperNode [2024-11-14 05:06:44,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:44,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:44,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:06:44,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:06:44,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,804 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2024-11-14 05:06:44,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:44,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:06:44,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:06:44,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:06:44,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:06:44,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:06:44,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:06:44,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:06:44,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (1/1) ... [2024-11-14 05:06:44,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:44,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:44,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:06:44,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:06:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:06:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:06:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:06:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:06:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:06:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:06:45,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:06:45,085 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:06:45,574 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 05:06:45,574 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:06:45,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:06:45,922 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:06:45,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:45 BoogieIcfgContainer [2024-11-14 05:06:45,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:06:45,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:06:45,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:06:45,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:06:45,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:06:44" (1/3) ... [2024-11-14 05:06:45,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9732b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:45, skipping insertion in model container [2024-11-14 05:06:45,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:44" (2/3) ... [2024-11-14 05:06:45,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9732b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:06:45, skipping insertion in model container [2024-11-14 05:06:45,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:45" (3/3) ... [2024-11-14 05:06:45,942 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-76.i [2024-11-14 05:06:45,960 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:06:45,963 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-76.i that has 2 procedures, 44 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:06:46,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:06:46,044 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;@4c2f2297, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:06:46,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:06:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:06:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 05:06:46,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:06:46,061 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:46,062 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:06:46,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:06:46,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1518057443, now seen corresponding path program 1 times [2024-11-14 05:06:46,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:06:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439911135] [2024-11-14 05:06:46,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:46,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:06:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:06:46,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094749442] [2024-11-14 05:06:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:06:46,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:06:46,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:46,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:06:46,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:06:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:46,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:06:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:06:47,146 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:06:47,149 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:06:47,150 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:06:47,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:06:47,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:06:47,364 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:06:47,454 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:06:47,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:06:47 BoogieIcfgContainer [2024-11-14 05:06:47,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:06:47,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:06:47,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:06:47,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:06:47,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:06:45" (3/4) ... [2024-11-14 05:06:47,463 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:06:47,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:06:47,469 INFO L158 Benchmark]: Toolchain (without parser) took 3117.02ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 52.5MB in the end (delta: 47.4MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-14 05:06:47,470 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:47,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.39ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 85.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:06:47,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.50ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 82.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:47,476 INFO L158 Benchmark]: Boogie Preprocessor took 61.59ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 81.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:47,476 INFO L158 Benchmark]: RCFGBuilder took 1054.98ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 38.5MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 05:06:47,477 INFO L158 Benchmark]: TraceAbstraction took 1531.19ms. Allocated memory is still 142.6MB. Free memory was 37.8MB in the beginning and 52.6MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:47,477 INFO L158 Benchmark]: Witness Printer took 8.52ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:06:47,479 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.39ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 85.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.50ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 82.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.59ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 81.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1054.98ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 38.5MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1531.19ms. Allocated memory is still 142.6MB. Free memory was 37.8MB in the beginning and 52.6MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.52ms. Allocated memory is still 142.6MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of bitwiseOr at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 123. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed long int var_1_11 = 4; [L31] unsigned short int var_1_14 = 10000; [L32] unsigned short int var_1_16 = 5; [L33] unsigned short int var_1_17 = 4; [L34] unsigned char var_1_18 = 100; [L35] unsigned char var_1_19 = 1; [L36] unsigned char var_1_20 = 8; [L37] double var_1_21 = 63.25; [L38] double var_1_22 = 1.5; [L39] unsigned char var_1_23 = 0; [L40] unsigned char var_1_24 = 0; [L41] signed short int var_1_25 = 10; [L42] signed short int var_1_26 = -10; [L43] float var_1_27 = 3.5; [L44] signed short int var_1_28 = -4; [L45] double var_1_29 = 31.5; [L46] unsigned short int var_1_30 = 32; [L47] unsigned short int var_1_31 = 100; [L48] double var_1_32 = 10000000000000.25; [L49] double last_1_var_1_1 = 256.5; [L50] float last_1_var_1_8 = 5.25; [L51] signed long int last_1_var_1_11 = 4; [L52] unsigned short int last_1_var_1_14 = 10000; [L53] unsigned short int last_1_var_1_17 = 4; [L54] unsigned char last_1_var_1_18 = 100; [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] CALL updateLastVariables() [L149] last_1_var_1_1 = var_1_1 [L150] last_1_var_1_8 = var_1_8 [L151] last_1_var_1_11 = var_1_11 [L152] last_1_var_1_14 = var_1_14 [L153] last_1_var_1_17 = var_1_17 [L154] last_1_var_1_18 = var_1_18 [L164] RET updateLastVariables() [L165] CALL updateVariables() [L112] var_1_2 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L114] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L115] var_1_3 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L117] var_1_4 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L119] var_1_5 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L121] var_1_7 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L123] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L124] var_1_16 = __VERIFIER_nondet_ushort() [L125] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L126] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L127] var_1_19 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L129] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L130] var_1_20 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L132] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L133] var_1_22 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L135] var_1_24 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L137] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=-10, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L138] var_1_26 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_26 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_26 >= -32767) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L140] CALL assume_abort_if_not(var_1_26 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_26 <= 32766) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=-4, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L141] var_1_28 = __VERIFIER_nondet_short() [L142] CALL assume_abort_if_not(var_1_28 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_28 >= -32767) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L143] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=100, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L144] var_1_31 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L146] CALL assume_abort_if_not(var_1_31 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_31 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=-228, var_1_21=253/4, var_1_23=0, var_1_24=0, var_1_25=10, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=63/2, var_1_2=1, var_1_30=32, var_1_31=0, var_1_32=40000000000001/4, var_1_6=-64, var_1_8=21/4] [L165] RET updateVariables() [L166] CALL step() [L58] var_1_21 = var_1_22 [L59] var_1_23 = var_1_24 [L60] var_1_25 = var_1_26 [L61] COND FALSE !(var_1_26 <= ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) [L64] var_1_29 = var_1_22 [L65] var_1_30 = var_1_31 [L66] var_1_32 = var_1_22 [L67] COND TRUE \read(var_1_2) [L68] COND FALSE !(last_1_var_1_8 == var_1_5) [L73] var_1_17 = last_1_var_1_18 [L78] COND FALSE !(! var_1_2) [L81] var_1_1 = var_1_4 [L83] COND TRUE var_1_5 > (var_1_3 / var_1_7) [L84] COND FALSE !(! var_1_2) [L88] unsigned short int stepLocal_1 = var_1_16; [L89] EXPR var_1_6 | var_1_6 [L89] COND FALSE !((var_1_6 + (var_1_6 | var_1_6)) > stepLocal_1) [L92] COND TRUE var_1_5 >= var_1_1 [L93] COND TRUE ((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4 [L94] var_1_14 = var_1_18 [L99] COND FALSE !(var_1_4 <= last_1_var_1_1) [L102] var_1_11 = (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))) [L104] signed long int stepLocal_0 = var_1_11; [L105] COND TRUE (var_1_14 * var_1_17) >= stepLocal_0 [L106] COND TRUE \read(var_1_2) [L107] var_1_8 = var_1_4 [L166] RET step() [L167] CALL, EXPR property() [L157] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) [L157-L158] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=-252, var_1_14=100, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=-228, var_1_21=3, var_1_22=3, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=3, var_1_2=1, var_1_30=0, var_1_31=0, var_1_32=3, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=-252, var_1_14=100, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=-228, var_1_21=3, var_1_22=3, var_1_23=0, var_1_24=0, var_1_25=2, var_1_26=2, var_1_27=7/2, var_1_28=1, var_1_29=3, var_1_2=1, var_1_30=0, var_1_31=0, var_1_32=3, var_1_3=0, var_1_4=2, var_1_5=0, var_1_6=-64, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:06:47,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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_27d6e203-d29d-452e-a02c-850f5e30e37b/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 ae9a6aa622c8554d9b66a979b5a73e2a83df40b2d25468203149fd612b870449 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:06:50,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:06:51,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:06:51,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:06:51,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:06:51,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:06:51,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:06:51,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:06:51,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:06:51,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:06:51,096 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:06:51,096 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:06:51,097 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:06:51,097 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:06:51,097 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:06:51,098 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:06:51,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:06:51,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:06:51,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:06:51,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:06:51,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:06:51,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:06:51,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:06:51,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:06:51,100 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:06:51,100 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:06:51,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:06:51,101 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:06:51,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:06:51,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:06:51,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:06:51,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:06:51,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:06:51,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:06:51,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:06:51,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:51,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:06:51,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:06:51,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:06:51,104 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:06:51,104 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:06:51,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:06:51,104 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:06:51,104 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_27d6e203-d29d-452e-a02c-850f5e30e37b/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 -> ae9a6aa622c8554d9b66a979b5a73e2a83df40b2d25468203149fd612b870449 [2024-11-14 05:06:51,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:06:51,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:06:51,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:06:51,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:06:51,495 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:06:51,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i Unable to find full path for "g++" [2024-11-14 05:06:53,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:06:54,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:06:54,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i [2024-11-14 05:06:54,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data/3aa1b7fe4/0b0e6c3455b5416da3309cf73486d435/FLAG91dc95e5c [2024-11-14 05:06:54,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/data/3aa1b7fe4/0b0e6c3455b5416da3309cf73486d435 [2024-11-14 05:06:54,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:06:54,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:06:54,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:54,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:06:54,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:06:54,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15df0cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54, skipping insertion in model container [2024-11-14 05:06:54,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:06:54,482 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_27d6e203-d29d-452e-a02c-850f5e30e37b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i[915,928] [2024-11-14 05:06:54,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:54,638 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:06:54,659 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_27d6e203-d29d-452e-a02c-850f5e30e37b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-76.i[915,928] [2024-11-14 05:06:54,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:06:54,731 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:06:54,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54 WrapperNode [2024-11-14 05:06:54,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:06:54,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:54,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:06:54,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:06:54,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,803 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2024-11-14 05:06:54,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:06:54,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:06:54,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:06:54,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:06:54,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:06:54,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:06:54,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:06:54,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:06:54,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (1/1) ... [2024-11-14 05:06:54,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:06:54,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:06:54,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:06:54,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:06:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:06:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:06:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:06:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:06:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:06:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:06:55,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:06:55,139 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:07:02,563 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:07:02,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:07:02,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:07:02,576 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:07:02,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:07:02 BoogieIcfgContainer [2024-11-14 05:07:02,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:07:02,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:07:02,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:07:02,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:07:02,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:06:54" (1/3) ... [2024-11-14 05:07:02,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7a964f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:07:02, skipping insertion in model container [2024-11-14 05:07:02,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:06:54" (2/3) ... [2024-11-14 05:07:02,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7a964f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:07:02, skipping insertion in model container [2024-11-14 05:07:02,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:07:02" (3/3) ... [2024-11-14 05:07:02,592 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-76.i [2024-11-14 05:07:02,614 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:07:02,618 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-76.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:07:02,705 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:07:02,723 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;@2a43645f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:07:02,724 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:07:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:07:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 05:07:02,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:02,748 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:02,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:02,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:02,754 INFO L85 PathProgramCache]: Analyzing trace with hash -685096195, now seen corresponding path program 1 times [2024-11-14 05:07:02,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:02,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401308350] [2024-11-14 05:07:02,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:02,779 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 05:07:02,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:02,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:02,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:04,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:07:04,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-14 05:07:04,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:07:04,108 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:07:04,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401308350] [2024-11-14 05:07:04,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401308350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:04,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:07:04,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:07:04,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947263804] [2024-11-14 05:07:04,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:04,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:07:04,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:07:04,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:07:04,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:07:04,149 INFO L87 Difference]: Start difference. First operand has 70 states, 45 states have (on average 1.4) internal successors, (63), 46 states have internal predecessors, (63), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 05:07:04,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:04,193 INFO L93 Difference]: Finished difference Result 133 states and 230 transitions. [2024-11-14 05:07:04,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:07:04,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2024-11-14 05:07:04,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:04,210 INFO L225 Difference]: With dead ends: 133 [2024-11-14 05:07:04,210 INFO L226 Difference]: Without dead ends: 66 [2024-11-14 05:07:04,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 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 05:07:04,223 INFO L432 NwaCegarLoop]: 100 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, 100 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 05:07:04,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:07:04,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-14 05:07:04,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-14 05:07:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:07:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 100 transitions. [2024-11-14 05:07:04,299 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 100 transitions. Word has length 143 [2024-11-14 05:07:04,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:04,301 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 100 transitions. [2024-11-14 05:07:04,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 05:07:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2024-11-14 05:07:04,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 05:07:04,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:04,308 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:04,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:07:04,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:04,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:04,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:04,512 INFO L85 PathProgramCache]: Analyzing trace with hash -566592443, now seen corresponding path program 1 times [2024-11-14 05:07:04,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:04,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452603943] [2024-11-14 05:07:04,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:04,514 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 05:07:04,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:04,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:04,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:05,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:07:05,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:07:05,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:07:05,725 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:07:05,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452603943] [2024-11-14 05:07:05,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452603943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:05,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:07:05,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:07:05,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911266926] [2024-11-14 05:07:05,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:05,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:07:05,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:07:05,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:07:05,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:07:05,735 INFO L87 Difference]: Start difference. First operand 66 states and 100 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:07:08,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:10,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:10,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:10,710 INFO L93 Difference]: Finished difference Result 148 states and 225 transitions. [2024-11-14 05:07:10,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:07:10,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-14 05:07:10,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:10,717 INFO L225 Difference]: With dead ends: 148 [2024-11-14 05:07:10,717 INFO L226 Difference]: Without dead ends: 85 [2024-11-14 05:07:10,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:07:10,719 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 26 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:07:10,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 182 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2024-11-14 05:07:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-14 05:07:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2024-11-14 05:07:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:07:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 117 transitions. [2024-11-14 05:07:10,740 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 117 transitions. Word has length 143 [2024-11-14 05:07:10,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:10,745 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 117 transitions. [2024-11-14 05:07:10,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:07:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2024-11-14 05:07:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 05:07:10,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:10,748 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:10,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 05:07:10,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:10,949 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:10,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:10,950 INFO L85 PathProgramCache]: Analyzing trace with hash -824757881, now seen corresponding path program 1 times [2024-11-14 05:07:10,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:10,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787098074] [2024-11-14 05:07:10,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:10,951 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 05:07:10,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:10,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:10,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:12,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:07:12,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:07:14,807 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:07:14,807 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:07:14,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787098074] [2024-11-14 05:07:14,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787098074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:14,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:07:14,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:07:14,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538140451] [2024-11-14 05:07:14,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:14,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:07:14,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:07:14,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:07:14,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:07:14,811 INFO L87 Difference]: Start difference. First operand 77 states and 117 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:07:17,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:19,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:19,140 INFO L93 Difference]: Finished difference Result 225 states and 345 transitions. [2024-11-14 05:07:19,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:07:19,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-14 05:07:19,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:19,230 INFO L225 Difference]: With dead ends: 225 [2024-11-14 05:07:19,230 INFO L226 Difference]: Without dead ends: 151 [2024-11-14 05:07:19,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:07:19,232 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 27 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:07:19,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 192 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2024-11-14 05:07:19,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-14 05:07:19,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2024-11-14 05:07:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 101 states have (on average 1.3762376237623761) internal successors, (139), 101 states have internal predecessors, (139), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-14 05:07:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 227 transitions. [2024-11-14 05:07:19,284 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 227 transitions. Word has length 143 [2024-11-14 05:07:19,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:19,285 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 227 transitions. [2024-11-14 05:07:19,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:07:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 227 transitions. [2024-11-14 05:07:19,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 05:07:19,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:19,289 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:19,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:19,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:19,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:19,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:19,494 INFO L85 PathProgramCache]: Analyzing trace with hash -144699511, now seen corresponding path program 1 times [2024-11-14 05:07:19,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:19,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434911223] [2024-11-14 05:07:19,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:19,495 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 05:07:19,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:19,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:19,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:07:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:20,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 05:07:20,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:07:29,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:07:29,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:07:29,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434911223] [2024-11-14 05:07:29,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434911223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:29,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:07:29,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:07:29,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727652720] [2024-11-14 05:07:29,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:29,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:07:29,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:07:29,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:07:29,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:07:29,648 INFO L87 Difference]: Start difference. First operand 148 states and 227 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:07:35,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:37,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:39,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:41,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:43,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:45,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:47,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:49,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:51,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:53,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:55,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:57,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:07:59,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:01,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:03,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:05,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:07,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:09,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:11,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:13,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:15,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:17,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:19,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:21,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:23,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:25,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:32,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:34,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:36,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:38,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:40,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:42,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:44,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:46,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:48,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:08:49,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:08:49,073 INFO L93 Difference]: Finished difference Result 929 states and 1431 transitions. [2024-11-14 05:08:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 05:08:49,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-14 05:08:49,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:08:49,082 INFO L225 Difference]: With dead ends: 929 [2024-11-14 05:08:49,083 INFO L226 Difference]: Without dead ends: 784 [2024-11-14 05:08:49,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-14 05:08:49,085 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 426 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 185 mSolverCounterUnsat, 35 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 35 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:08:49,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 641 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 582 Invalid, 35 Unknown, 0 Unchecked, 78.1s Time] [2024-11-14 05:08:49,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-14 05:08:49,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 505. [2024-11-14 05:08:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 343 states have (on average 1.3615160349854227) internal successors, (467), 343 states have internal predecessors, (467), 154 states have call successors, (154), 7 states have call predecessors, (154), 7 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-14 05:08:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 775 transitions. [2024-11-14 05:08:49,262 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 775 transitions. Word has length 143 [2024-11-14 05:08:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:08:49,263 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 775 transitions. [2024-11-14 05:08:49,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:08:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 775 transitions. [2024-11-14 05:08:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-14 05:08:49,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:08:49,270 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:49,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:08:49,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:08:49,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:08:49,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:08:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1630307851, now seen corresponding path program 1 times [2024-11-14 05:08:49,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:08:49,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318502313] [2024-11-14 05:08:49,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:08:49,476 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 05:08:49,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:08:49,480 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:08:49,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:08:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:08:50,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:08:50,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:08:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:08:55,608 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:08:55,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:08:55,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318502313] [2024-11-14 05:08:55,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318502313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:08:55,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:08:55,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:08:55,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664019183] [2024-11-14 05:08:55,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:08:55,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:08:55,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:08:55,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:08:55,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:08:55,610 INFO L87 Difference]: Start difference. First operand 505 states and 775 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:08:59,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:01,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:03,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:05,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:07,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:09,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:11,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:13,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:15,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:17,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:19,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:21,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:23,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:25,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:27,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:29,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:32,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:09:32,984 INFO L93 Difference]: Finished difference Result 1722 states and 2660 transitions. [2024-11-14 05:09:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:09:32,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-14 05:09:32,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:09:32,998 INFO L225 Difference]: With dead ends: 1722 [2024-11-14 05:09:32,999 INFO L226 Difference]: Without dead ends: 1220 [2024-11-14 05:09:33,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-14 05:09:33,003 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 168 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 45 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:09:33,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 836 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 379 Invalid, 15 Unknown, 0 Unchecked, 36.8s Time] [2024-11-14 05:09:33,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-14 05:09:33,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 635. [2024-11-14 05:09:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 450 states have (on average 1.3866666666666667) internal successors, (624), 450 states have internal predecessors, (624), 176 states have call successors, (176), 8 states have call predecessors, (176), 8 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-14 05:09:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 976 transitions. [2024-11-14 05:09:33,152 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 976 transitions. Word has length 143 [2024-11-14 05:09:33,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:09:33,153 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 976 transitions. [2024-11-14 05:09:33,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:09:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 976 transitions. [2024-11-14 05:09:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 05:09:33,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:09:33,158 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:09:33,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:09:33,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:09:33,359 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:09:33,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:09:33,360 INFO L85 PathProgramCache]: Analyzing trace with hash -988252375, now seen corresponding path program 1 times [2024-11-14 05:09:33,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:09:33,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695102589] [2024-11-14 05:09:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:09:33,360 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 05:09:33,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:09:33,362 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:09:33,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:09:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:09:34,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 05:09:34,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:09:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:09:41,343 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:09:41,343 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:09:41,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695102589] [2024-11-14 05:09:41,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695102589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:09:41,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:09:41,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 05:09:41,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376139308] [2024-11-14 05:09:41,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:09:41,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 05:09:41,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:09:41,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 05:09:41,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:09:41,345 INFO L87 Difference]: Start difference. First operand 635 states and 976 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:09:46,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:48,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:50,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:52,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:54,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:56,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:09:58,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:00,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:03,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:05,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:07,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:09,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:11,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:13,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:15,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:17,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:19,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:21,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:10:26,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:10:26,325 INFO L93 Difference]: Finished difference Result 991 states and 1518 transitions. [2024-11-14 05:10:26,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:10:26,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2024-11-14 05:10:26,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:10:26,332 INFO L225 Difference]: With dead ends: 991 [2024-11-14 05:10:26,333 INFO L226 Difference]: Without dead ends: 846 [2024-11-14 05:10:26,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:10:26,335 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 326 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 93 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:10:26,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 911 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 671 Invalid, 18 Unknown, 0 Unchecked, 44.3s Time] [2024-11-14 05:10:26,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-14 05:10:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 647. [2024-11-14 05:10:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 462 states have (on average 1.393939393939394) internal successors, (644), 462 states have internal predecessors, (644), 176 states have call successors, (176), 8 states have call predecessors, (176), 8 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-14 05:10:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 996 transitions. [2024-11-14 05:10:26,444 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 996 transitions. Word has length 144 [2024-11-14 05:10:26,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:10:26,445 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 996 transitions. [2024-11-14 05:10:26,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:10:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 996 transitions. [2024-11-14 05:10:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 05:10:26,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:10:26,447 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:10:26,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:10:26,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:10:26,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:10:26,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:10:26,649 INFO L85 PathProgramCache]: Analyzing trace with hash 786754987, now seen corresponding path program 1 times [2024-11-14 05:10:26,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:10:26,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473848759] [2024-11-14 05:10:26,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:10:26,649 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 05:10:26,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:10:26,651 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:10:26,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:10:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:10:27,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:10:27,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:10:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:10:30,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:10:30,195 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:10:30,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473848759] [2024-11-14 05:10:30,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473848759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:10:30,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:10:30,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:10:30,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665293914] [2024-11-14 05:10:30,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:10:30,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:10:30,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:10:30,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:10:30,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:10:30,197 INFO L87 Difference]: Start difference. First operand 647 states and 996 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:10:34,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:36,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:38,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:40,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:42,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:44,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:46,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:48,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:50,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:52,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:54,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:10:56,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:11:02,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:04,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:11:06,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:11:08,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:11:10,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:11:11,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:11:11,136 INFO L93 Difference]: Finished difference Result 1825 states and 2821 transitions. [2024-11-14 05:11:11,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:11:11,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2024-11-14 05:11:11,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:11:11,162 INFO L225 Difference]: With dead ends: 1825 [2024-11-14 05:11:11,163 INFO L226 Difference]: Without dead ends: 1680 [2024-11-14 05:11:11,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:11:11,166 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 186 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 95 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:11:11,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 999 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 358 Invalid, 17 Unknown, 0 Unchecked, 40.3s Time] [2024-11-14 05:11:11,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-11-14 05:11:11,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 748. [2024-11-14 05:11:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 540 states have (on average 1.4111111111111112) internal successors, (762), 540 states have internal predecessors, (762), 198 states have call successors, (198), 9 states have call predecessors, (198), 9 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-14 05:11:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1158 transitions. [2024-11-14 05:11:11,349 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1158 transitions. Word has length 144 [2024-11-14 05:11:11,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:11:11,349 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1158 transitions. [2024-11-14 05:11:11,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:11:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1158 transitions. [2024-11-14 05:11:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 05:11:11,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:11,351 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:11,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-14 05:11:11,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:11:11,552 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:11:11,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:11,552 INFO L85 PathProgramCache]: Analyzing trace with hash -424430746, now seen corresponding path program 1 times [2024-11-14 05:11:11,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:11:11,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625024637] [2024-11-14 05:11:11,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:11,553 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 05:11:11,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:11:11,556 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:11:11,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27d6e203-d29d-452e-a02c-850f5e30e37b/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 05:11:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:11:12,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 05:11:12,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:12:49,880 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_17~0 ((_ zero_extend 8) c_~last_1_var_1_18~0)) (= (_ bv0 32) (bvadd (_ bv64 32) c_~var_1_6~0)) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0)) is different from false [2024-11-14 05:12:51,952 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_17~0 ((_ zero_extend 8) c_~last_1_var_1_18~0)) (= (_ bv0 32) (bvadd (_ bv64 32) c_~var_1_6~0)) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0)) is different from true [2024-11-14 05:15:28,320 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-11-14 05:15:28,321 INFO L311 TraceCheckSpWp]: Computing backward predicates...