./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:20:44,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:20:44,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:20:44,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:20:44,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:20:44,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:20:44,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:20:44,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:20:44,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:20:44,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:20:44,923 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:20:44,923 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:20:44,923 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:20:44,923 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:20:44,923 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:20:44,924 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:20:44,924 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:20:44,924 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:20:44,924 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:20:44,924 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:20:44,924 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:20:44,924 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:20:44,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:20:44,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:20:44,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:20:44,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:20:44,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:20:44,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:20:44,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:20:44,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:20:44,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:20:44,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:20:44,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:20:44,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:20:44,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:20:44,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:20:44,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:20:44,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:20:44,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:20:44,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:20:44,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:20:44,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:20:44,928 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:20:44,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:20:44,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:20:44,928 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:20:44,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:20:44,929 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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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 -> 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 [2024-11-14 04:20:45,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:20:45,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:20:45,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:20:45,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:20:45,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:20:45,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i Unable to find full path for "g++" [2024-11-14 04:20:47,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:20:47,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:20:47,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2024-11-14 04:20:47,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data/ed693c1b3/b0750630c82048e9bbd620c4849c9f27/FLAGa72b56476 [2024-11-14 04:20:47,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data/ed693c1b3/b0750630c82048e9bbd620c4849c9f27 [2024-11-14 04:20:47,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:20:47,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:20:47,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:20:47,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:20:47,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:20:47,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:20:47" (1/1) ... [2024-11-14 04:20:47,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6eb215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:47, skipping insertion in model container [2024-11-14 04:20:47,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:20:47" (1/1) ... [2024-11-14 04:20:47,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:20:48,165 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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2024-11-14 04:20:48,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:20:48,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:20:48,347 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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2024-11-14 04:20:48,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:20:48,454 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:20:48,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48 WrapperNode [2024-11-14 04:20:48,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:20:48,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:20:48,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:20:48,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:20:48,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,566 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2024-11-14 04:20:48,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:20:48,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:20:48,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:20:48,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:20:48,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:20:48,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:20:48,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:20:48,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:20:48,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (1/1) ... [2024-11-14 04:20:48,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:20:48,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:20:48,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:20:48,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:20:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:20:48,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:20:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:20:48,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:20:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:20:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:20:48,853 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:20:48,855 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:20:49,404 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:20:49,405 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:20:49,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:20:49,814 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:20:49,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:20:49 BoogieIcfgContainer [2024-11-14 04:20:49,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:20:49,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:20:49,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:20:49,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:20:49,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:20:47" (1/3) ... [2024-11-14 04:20:49,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5406633b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:20:49, skipping insertion in model container [2024-11-14 04:20:49,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:20:48" (2/3) ... [2024-11-14 04:20:49,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5406633b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:20:49, skipping insertion in model container [2024-11-14 04:20:49,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:20:49" (3/3) ... [2024-11-14 04:20:49,831 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2024-11-14 04:20:49,851 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:20:49,856 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:20:49,943 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:20:49,962 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;@325f2a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:20:49,963 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:20:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:20:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 04:20:49,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:20:49,984 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:20:49,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:20:49,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:20:49,994 INFO L85 PathProgramCache]: Analyzing trace with hash -985354037, now seen corresponding path program 1 times [2024-11-14 04:20:50,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:20:50,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620782386] [2024-11-14 04:20:50,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:20:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:20:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:20:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754155164] [2024-11-14 04:20:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:20:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:20:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:20:50,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:20:50,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:20:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:20:54,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:20:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:20:54,952 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:20:54,955 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:20:54,956 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:20:54,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:20:55,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:20:55,164 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:20:55,317 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:20:55,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:20:55 BoogieIcfgContainer [2024-11-14 04:20:55,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:20:55,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:20:55,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:20:55,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:20:55,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:20:49" (3/4) ... [2024-11-14 04:20:55,328 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:20:55,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:20:55,333 INFO L158 Benchmark]: Toolchain (without parser) took 7402.31ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 74.6MB in the end (delta: 44.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-14 04:20:55,333 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:20:55,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.17ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:20:55,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.30ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 99.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:20:55,334 INFO L158 Benchmark]: Boogie Preprocessor took 65.24ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:20:55,336 INFO L158 Benchmark]: RCFGBuilder took 1181.76ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 98.5MB in the end (delta: -1.6MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2024-11-14 04:20:55,337 INFO L158 Benchmark]: TraceAbstraction took 5506.20ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 75.4MB in the end (delta: 22.3MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-11-14 04:20:55,337 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 74.6MB in the end (delta: 806.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:20:55,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.17ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 103.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.30ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 99.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.24ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1181.76ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 98.5MB in the end (delta: -1.6MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5506.20ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 75.4MB in the end (delta: 22.3MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 74.6MB in the end (delta: 806.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 81, overapproximation of bitwiseAnd at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 135, overapproximation of someBinaryDOUBLEComparisonOperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] unsigned short int var_1_21 = 25; [L38] unsigned char var_1_27 = 1; [L39] unsigned char var_1_30 = 1; [L40] unsigned char var_1_31 = 1; [L41] unsigned char var_1_32 = 0; [L42] unsigned long int var_1_33 = 2; [L43] unsigned short int var_1_34 = 0; [L44] signed short int var_1_35 = -10; [L45] double var_1_36 = 128.5; [L46] double var_1_37 = 128.25; [L47] unsigned char var_1_40 = 2; [L48] unsigned char var_1_41 = 25; [L49] unsigned short int var_1_42 = 8; [L50] unsigned long int var_1_43 = 3563499258; [L51] unsigned long int var_1_44 = 1249494912; [L52] double last_1_var_1_1 = 5.05; [L53] unsigned short int last_1_var_1_9 = 1; [L54] unsigned long int last_1_var_1_11 = 8; [L55] unsigned char last_1_var_1_14 = 32; [L56] unsigned char last_1_var_1_20 = 0; [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_9 = var_1_9 [L174] last_1_var_1_11 = var_1_11 [L175] last_1_var_1_14 = var_1_14 [L176] last_1_var_1_20 = var_1_20 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L130] var_1_6 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L132] var_1_7 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_8=67/4, var_1_9=1] [L134] var_1_8 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L136] var_1_13 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L138] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L139] var_1_15 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L142] var_1_16 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L148] var_1_19 = __VERIFIER_nondet_ulong() [L149] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L151] var_1_30 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=0, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L154] var_1_32 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_32 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_32 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L156] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_36=257/2, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_37=513/4, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L159] var_1_37 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=25, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L161] var_1_41 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_41 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_41 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_41 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_41 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=3563499258, var_1_44=1249494912, var_1_9=1] [L164] var_1_43 = __VERIFIER_nondet_ulong() [L165] CALL assume_abort_if_not(var_1_43 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_43 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=1249494912, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_43 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=1249494912, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_43 <= 4294967295) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=1249494912, var_1_9=1] [L167] var_1_44 = __VERIFIER_nondet_ulong() [L168] CALL assume_abort_if_not(var_1_44 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=-2147483649, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_44 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=-2147483649, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_44 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=-2147483649, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_44 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=-255, var_1_14=32, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=2, var_1_19=-8589934615, var_1_1=101/20, var_1_20=0, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=2, var_1_34=0, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=-2147483649, var_1_9=1] [L187] RET updateVariables() [L188] CALL step() [L60] COND TRUE \read(var_1_13) [L61] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) [L65] COND TRUE var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1))) [L66] COND TRUE ! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20)) [L67] COND TRUE ! (var_1_6 <= var_1_7) [L68] var_1_9 = ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))) [L74] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L75] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) [L79] signed long int stepLocal_0 = - ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))); [L80] COND TRUE var_1_18 >= stepLocal_0 [L81] var_1_1 = (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8) [L85] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L86] var_1_20 = var_1_13 [L88] COND TRUE \read(var_1_20) [L89] var_1_12 = var_1_13 [L91] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) [L92] COND FALSE !(((((var_1_9) < (var_1_18)) ? (var_1_9) : (var_1_18))) > var_1_9) [L95] COND FALSE !((var_1_9 <= var_1_14) && var_1_20) [L106] COND TRUE var_1_18 > (- var_1_18) [L107] var_1_31 = (var_1_30 && var_1_32) [L109] var_1_33 = var_1_14 [L110] var_1_34 = (var_1_14 + 4) [L111] COND FALSE !(((var_1_36 - var_1_37) + var_1_1) == var_1_1) [L114] COND FALSE !(var_1_14 >= (~ var_1_18)) [L117] COND TRUE \read(var_1_20) [L118] COND FALSE !(var_1_11 < 1) [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=66, var_1_12=-255, var_1_13=-255, var_1_14=30, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=-8589934624, var_1_19=-8589934615, var_1_1=0, var_1_20=-255, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=30, var_1_34=34, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=-2147483649, var_1_7=0, var_1_9=32] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=66, var_1_12=-255, var_1_13=-255, var_1_14=30, var_1_15=383, var_1_16=127, var_1_17=30, var_1_18=-8589934624, var_1_19=-8589934615, var_1_1=0, var_1_20=-255, var_1_21=25, var_1_27=1, var_1_30=1, var_1_31=1, var_1_32=1, var_1_33=30, var_1_34=34, var_1_35=-10, var_1_40=2, var_1_41=0, var_1_42=8, var_1_43=-36507222017, var_1_44=-2147483649, var_1_7=0, var_1_9=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 3.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:20:55,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:20:58,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:20:58,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:20:58,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:20:58,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:20:58,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:20:58,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:20:58,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:20:58,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:20:58,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:20:58,436 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:20:58,436 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:20:58,436 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:20:58,436 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:20:58,437 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:20:58,437 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:20:58,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:20:58,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:20:58,438 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:20:58,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:20:58,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:20:58,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:20:58,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:20:58,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:20:58,439 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:20:58,439 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:20:58,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:20:58,439 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:20:58,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:20:58,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:20:58,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:20:58,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:20:58,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:20:58,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:20:58,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:20:58,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:20:58,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:20:58,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:20:58,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:20:58,441 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:20:58,441 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:20:58,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:20:58,441 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:20:58,442 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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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 -> 29f3b33aa76fbd79b42fdd0c3fff670150c31cac386cea2ae8894bfbaea7ba77 [2024-11-14 04:20:58,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:20:58,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:20:58,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:20:58,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:20:58,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:20:58,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i Unable to find full path for "g++" [2024-11-14 04:21:01,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:21:01,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:21:01,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2024-11-14 04:21:01,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data/e2eb5c6e3/e32ad90f39d942639c3de849234ed832/FLAG1dea3b537 [2024-11-14 04:21:01,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/data/e2eb5c6e3/e32ad90f39d942639c3de849234ed832 [2024-11-14 04:21:01,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:21:01,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:21:01,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:21:01,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:21:01,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:21:01,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:01,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ad7c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01, skipping insertion in model container [2024-11-14 04:21:01,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:01,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:21:01,716 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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2024-11-14 04:21:01,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:21:01,866 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:21:01,879 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_25ae7282-e726-4318-a0c6-e434c8e0ea1d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i[919,932] [2024-11-14 04:21:01,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:21:01,961 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:21:01,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01 WrapperNode [2024-11-14 04:21:01,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:21:01,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:21:01,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:21:01,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:21:01,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:01,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,027 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-11-14 04:21:02,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:21:02,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:21:02,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:21:02,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:21:02,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:21:02,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:21:02,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:21:02,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:21:02,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (1/1) ... [2024-11-14 04:21:02,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:21:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:21:02,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:21:02,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:21:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:21:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:21:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:21:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:21:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:21:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:21:02,237 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:21:02,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:21:09,659 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:21:09,659 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:21:09,677 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:21:09,677 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:21:09,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:21:09 BoogieIcfgContainer [2024-11-14 04:21:09,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:21:09,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:21:09,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:21:09,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:21:09,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:21:01" (1/3) ... [2024-11-14 04:21:09,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741daed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:21:09, skipping insertion in model container [2024-11-14 04:21:09,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:21:01" (2/3) ... [2024-11-14 04:21:09,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741daed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:21:09, skipping insertion in model container [2024-11-14 04:21:09,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:21:09" (3/3) ... [2024-11-14 04:21:09,691 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i [2024-11-14 04:21:09,711 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:21:09,713 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-70.i that has 2 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:21:09,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:21:09,798 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;@639a593c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:21:09,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:21:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:21:09,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 04:21:09,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:21:09,844 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:21:09,844 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:21:09,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:21:09,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1259327132, now seen corresponding path program 1 times [2024-11-14 04:21:09,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:21:09,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999956921] [2024-11-14 04:21:09,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:21:09,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:21:09,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:21:09,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:21:09,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:21:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:21:10,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:21:10,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:21:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 04:21:10,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:21:10,644 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:21:10,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999956921] [2024-11-14 04:21:10,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999956921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:21:10,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:21:10,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:21:10,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495184322] [2024-11-14 04:21:10,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:21:10,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:21:10,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:21:10,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:21:10,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:21:10,687 INFO L87 Difference]: Start difference. First operand has 80 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 53 states have internal predecessors, (75), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:21:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:21:10,748 INFO L93 Difference]: Finished difference Result 152 states and 267 transitions. [2024-11-14 04:21:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:21:10,751 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2024-11-14 04:21:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:21:10,764 INFO L225 Difference]: With dead ends: 152 [2024-11-14 04:21:10,764 INFO L226 Difference]: Without dead ends: 75 [2024-11-14 04:21:10,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:21:10,774 INFO L432 NwaCegarLoop]: 113 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, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:21:10,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:21:10,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-14 04:21:10,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-14 04:21:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 04:21:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-11-14 04:21:10,858 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 164 [2024-11-14 04:21:10,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:21:10,862 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-11-14 04:21:10,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:21:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-14 04:21:10,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 04:21:10,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:21:10,870 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:21:10,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:21:11,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:21:11,071 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:21:11,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:21:11,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1960391710, now seen corresponding path program 1 times [2024-11-14 04:21:11,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:21:11,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194113974] [2024-11-14 04:21:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:21:11,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:21:11,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:21:11,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:21:11,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:21:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:21:11,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:21:11,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:21:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-14 04:21:17,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:21:18,645 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:21:18,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194113974] [2024-11-14 04:21:18,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194113974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:21:18,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [77054051] [2024-11-14 04:21:18,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:21:18,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:21:18,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:21:18,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:21:18,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:21:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:21:19,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:21:19,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:21:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 04:21:19,495 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:21:19,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [77054051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:21:19,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:21:19,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-11-14 04:21:19,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632418343] [2024-11-14 04:21:19,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:21:19,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:21:19,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:21:19,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:21:19,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-14 04:21:19,501 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:21:21,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:23,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:21:23,871 INFO L93 Difference]: Finished difference Result 216 states and 328 transitions. [2024-11-14 04:21:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:21:23,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2024-11-14 04:21:23,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:21:23,876 INFO L225 Difference]: With dead ends: 216 [2024-11-14 04:21:23,876 INFO L226 Difference]: Without dead ends: 144 [2024-11-14 04:21:23,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-14 04:21:23,878 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 99 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:21:23,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 296 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2024-11-14 04:21:23,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-14 04:21:23,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142. [2024-11-14 04:21:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 89 states have (on average 1.2921348314606742) internal successors, (115), 89 states have internal predecessors, (115), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-14 04:21:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2024-11-14 04:21:23,915 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 164 [2024-11-14 04:21:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:21:23,916 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2024-11-14 04:21:23,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:21:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2024-11-14 04:21:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 04:21:23,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:21:23,920 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:21:23,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:21:24,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:21:24,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:21:24,321 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:21:24,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:21:24,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1373585696, now seen corresponding path program 1 times [2024-11-14 04:21:24,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:21:24,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007796566] [2024-11-14 04:21:24,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:21:24,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:21:24,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:21:24,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:21:24,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 04:21:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:21:24,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 04:21:24,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:21:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-14 04:21:29,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:21:30,423 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:21:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007796566] [2024-11-14 04:21:30,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007796566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:21:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [724037576] [2024-11-14 04:21:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:21:30,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:21:30,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:21:30,425 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:21:30,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 04:21:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:21:31,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:21:31,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:21:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-14 04:21:35,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:21:35,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [724037576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:21:35,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839427330] [2024-11-14 04:21:35,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:21:35,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:21:35,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:21:35,538 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:21:35,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:21:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:21:35,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:21:35,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:21:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 618 proven. 39 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2024-11-14 04:21:36,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:21:41,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839427330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:21:41,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:21:41,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 5] total 12 [2024-11-14 04:21:41,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537686281] [2024-11-14 04:21:41,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:21:41,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:21:41,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:21:41,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:21:41,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-14 04:21:41,804 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (50), 4 states have call predecessors, (50), 6 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2024-11-14 04:21:46,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:48,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:50,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:52,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:55,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:21:57,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:00,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:22:00,875 INFO L93 Difference]: Finished difference Result 527 states and 779 transitions. [2024-11-14 04:22:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-14 04:22:00,876 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (50), 4 states have call predecessors, (50), 6 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) Word has length 164 [2024-11-14 04:22:00,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:22:00,885 INFO L225 Difference]: With dead ends: 527 [2024-11-14 04:22:00,885 INFO L226 Difference]: Without dead ends: 388 [2024-11-14 04:22:00,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 04:22:00,888 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 394 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 184 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:22:00,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 515 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 848 Invalid, 5 Unknown, 0 Unchecked, 17.4s Time] [2024-11-14 04:22:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-14 04:22:00,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 155. [2024-11-14 04:22:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.25) internal successors, (125), 100 states have internal predecessors, (125), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-14 04:22:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 225 transitions. [2024-11-14 04:22:00,946 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 225 transitions. Word has length 164 [2024-11-14 04:22:00,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:22:00,947 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 225 transitions. [2024-11-14 04:22:00,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (50), 4 states have call predecessors, (50), 6 states have return successors, (50), 4 states have call predecessors, (50), 4 states have call successors, (50) [2024-11-14 04:22:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2024-11-14 04:22:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 04:22:00,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:22:00,950 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:22:00,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 04:22:01,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:22:01,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:22:01,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:22:01,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:22:01,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:22:01,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1104839268, now seen corresponding path program 1 times [2024-11-14 04:22:01,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:22:01,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827800072] [2024-11-14 04:22:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:01,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:22:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:22:01,557 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:22:01,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 04:22:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:02,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 04:22:02,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 305 proven. 120 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2024-11-14 04:22:03,912 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:22:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 04:22:04,827 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:22:04,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827800072] [2024-11-14 04:22:04,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827800072] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:22:04,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2125959357] [2024-11-14 04:22:04,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:04,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:22:04,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:22:04,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:22:04,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 04:22:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:05,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:22:05,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 04:22:05,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:22:05,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2125959357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:22:05,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:22:05,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 12 [2024-11-14 04:22:05,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188847512] [2024-11-14 04:22:05,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:22:05,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:22:05,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:22:05,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:22:05,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:22:05,473 INFO L87 Difference]: Start difference. First operand 155 states and 225 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:22:07,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:08,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:22:08,623 INFO L93 Difference]: Finished difference Result 353 states and 507 transitions. [2024-11-14 04:22:08,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:22:08,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 164 [2024-11-14 04:22:08,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:22:08,630 INFO L225 Difference]: With dead ends: 353 [2024-11-14 04:22:08,630 INFO L226 Difference]: Without dead ends: 263 [2024-11-14 04:22:08,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 477 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-14 04:22:08,632 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 178 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:22:08,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 472 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2024-11-14 04:22:08,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-14 04:22:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 189. [2024-11-14 04:22:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 130 states have internal predecessors, (163), 53 states have call successors, (53), 6 states have call predecessors, (53), 6 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-14 04:22:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 269 transitions. [2024-11-14 04:22:08,695 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 269 transitions. Word has length 164 [2024-11-14 04:22:08,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:22:08,695 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 269 transitions. [2024-11-14 04:22:08,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:22:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 269 transitions. [2024-11-14 04:22:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-14 04:22:08,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:22:08,703 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:22:08,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-14 04:22:08,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-14 04:22:09,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:22:09,104 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:22:09,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:22:09,105 INFO L85 PathProgramCache]: Analyzing trace with hash 695759204, now seen corresponding path program 1 times [2024-11-14 04:22:09,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:22:09,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732485534] [2024-11-14 04:22:09,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:09,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:22:09,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:22:09,107 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:22:09,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 04:22:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:09,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:22:09,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-14 04:22:10,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:22:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 04:22:11,085 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:22:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732485534] [2024-11-14 04:22:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732485534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:22:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [856786613] [2024-11-14 04:22:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:11,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:22:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:22:11,089 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:22:11,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 04:22:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:12,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:22:12,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-14 04:22:13,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:22:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 04:22:13,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [856786613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:22:13,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569398126] [2024-11-14 04:22:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:13,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:22:13,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:22:13,567 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:22:13,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 04:22:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:13,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:22:13,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-14 04:22:14,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:22:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 04:22:15,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569398126] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:22:15,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:22:15,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-14 04:22:15,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646736215] [2024-11-14 04:22:15,076 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:22:15,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:22:15,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:22:15,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:22:15,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:22:15,078 INFO L87 Difference]: Start difference. First operand 189 states and 269 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-14 04:22:17,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:17,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:22:17,346 INFO L93 Difference]: Finished difference Result 281 states and 392 transitions. [2024-11-14 04:22:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:22:17,369 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 164 [2024-11-14 04:22:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:22:17,371 INFO L225 Difference]: With dead ends: 281 [2024-11-14 04:22:17,371 INFO L226 Difference]: Without dead ends: 163 [2024-11-14 04:22:17,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 970 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:22:17,374 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 46 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:22:17,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 185 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-14 04:22:17,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-14 04:22:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2024-11-14 04:22:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 100 states have (on average 1.15) internal successors, (115), 100 states have internal predecessors, (115), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-14 04:22:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 215 transitions. [2024-11-14 04:22:17,404 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 215 transitions. Word has length 164 [2024-11-14 04:22:17,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:22:17,406 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 215 transitions. [2024-11-14 04:22:17,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-11-14 04:22:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 215 transitions. [2024-11-14 04:22:17,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 04:22:17,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:22:17,412 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:22:17,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-14 04:22:17,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-14 04:22:17,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 04:22:18,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:22:18,013 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:22:18,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:22:18,014 INFO L85 PathProgramCache]: Analyzing trace with hash 495908117, now seen corresponding path program 1 times [2024-11-14 04:22:18,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:22:18,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921708407] [2024-11-14 04:22:18,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:18,014 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:22:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:22:18,016 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:22:18,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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 (13)] Waiting until timeout for monitored process [2024-11-14 04:22:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:18,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-14 04:22:18,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 654 proven. 153 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-14 04:22:25,166 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:22:26,174 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:22:26,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921708407] [2024-11-14 04:22:26,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921708407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:22:26,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1751096677] [2024-11-14 04:22:26,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:26,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:22:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:22:26,179 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:22:26,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-14 04:22:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:27,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:22:27,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:22:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 04:22:28,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:22:28,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1751096677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:22:28,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:22:28,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-14 04:22:28,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218956357] [2024-11-14 04:22:28,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:22:28,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:22:28,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:22:28,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:22:28,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2024-11-14 04:22:28,781 INFO L87 Difference]: Start difference. First operand 159 states and 215 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:22:31,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:33,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:36,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:38,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:40,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:43,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:44,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:47,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:49,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:51,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:53,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:55,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:22:55,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:22:55,723 INFO L93 Difference]: Finished difference Result 484 states and 656 transitions. [2024-11-14 04:22:55,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:22:55,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2024-11-14 04:22:55,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:22:55,728 INFO L225 Difference]: With dead ends: 484 [2024-11-14 04:22:55,728 INFO L226 Difference]: Without dead ends: 399 [2024-11-14 04:22:55,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2024-11-14 04:22:55,731 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 272 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 257 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:22:55,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 452 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 269 Invalid, 10 Unknown, 0 Unchecked, 26.6s Time] [2024-11-14 04:22:55,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-14 04:22:55,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 251. [2024-11-14 04:22:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 163 states have (on average 1.177914110429448) internal successors, (192), 163 states have internal predecessors, (192), 75 states have call successors, (75), 12 states have call predecessors, (75), 12 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-14 04:22:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 342 transitions. [2024-11-14 04:22:55,789 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 342 transitions. Word has length 165 [2024-11-14 04:22:55,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:22:55,790 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 342 transitions. [2024-11-14 04:22:55,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 04:22:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 342 transitions. [2024-11-14 04:22:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 04:22:55,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:22:55,794 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:22:55,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-14 04:22:56,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/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 (13)] Ended with exit code 0 [2024-11-14 04:22:56,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:22:56,195 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:22:56,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:22:56,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2024051817, now seen corresponding path program 1 times [2024-11-14 04:22:56,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:22:56,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108499853] [2024-11-14 04:22:56,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:22:56,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:22:56,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:22:56,198 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:22:56,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25ae7282-e726-4318-a0c6-e434c8e0ea1d/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-14 04:22:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:22:56,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 04:22:56,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:31,239 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_18~0 (bvadd c_~var_1_19~0 (bvneg ((_ zero_extend 16) c_~last_1_var_1_9~0)) (bvneg c_~last_1_var_1_11~0))) (= c_~var_1_9~0 (_ bv1 16)) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (= c_~var_1_7~0 c_~var_1_1~0) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse0 (bvadd ((_ zero_extend 24) c_~var_1_16~0) ((_ zero_extend 24) c_~var_1_15~0))) (.cse2 ((_ zero_extend 24) c_~var_1_17~0))) (let ((.cse1 (bvslt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_14~0) .cse1) (and (= c_~var_1_14~0 ((_ extract 7 0) .cse2)) (not .cse1))))) (or (not (fp.gt c_~var_1_6~0 c_~var_1_8~0)) (not (fp.lt c_~var_1_8~0 c_~last_1_var_1_1~0))) (exists ((~var_1_37~0 (_ FloatingPoint 11 53)) (~var_1_36~0 (_ FloatingPoint 11 53))) (fp.eq (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_36~0 ~var_1_37~0) c_~var_1_1~0) c_~var_1_1~0)) (= c_~var_1_12~0 c_~var_1_13~0) (let ((.cse3 (bvult c_~var_1_18~0 (_ bv1 32)))) (or (and .cse3 (= c_~var_1_11~0 (bvadd (_ bv3 32) c_~var_1_18~0))) (and (= (_ bv4 32) c_~var_1_11~0) (not .cse3)))) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (not (fp.gt c_~var_1_6~0 c_~last_1_var_1_1~0)) (= c_~var_1_13~0 c_~var_1_20~0)) is different from false [2024-11-14 04:24:24,879 WARN L286 SmtUtils]: Spent 39.05s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)