./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.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_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/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_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/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_631dda8e-f6c6-4fda-a85c-9484a52e6089/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 66473f1cebb0a290f0043a11a06ba653a423aeeb0bfeddda50b16dbc70c9e720 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:46:42,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:46:42,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:46:42,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:46:42,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:46:42,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:46:42,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:46:42,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:46:42,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:46:42,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:46:42,356 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:46:42,356 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:46:42,356 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:46:42,356 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:46:42,357 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:46:42,357 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:46:42,357 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:46:42,357 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:46:42,357 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:46:42,357 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:46:42,358 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:46:42,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:46:42,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:46:42,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:46:42,359 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:46:42,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:46:42,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:46:42,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:46:42,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:46:42,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:46:42,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:46:42,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:46:42,360 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:46:42,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:46:42,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:46:42,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:46:42,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:46:42,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:46:42,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:46:42,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:46:42,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:46:42,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:46:42,361 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:46:42,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:46:42,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:46:42,362 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:46:42,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:46:42,362 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_631dda8e-f6c6-4fda-a85c-9484a52e6089/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 -> 66473f1cebb0a290f0043a11a06ba653a423aeeb0bfeddda50b16dbc70c9e720 [2024-11-14 05:46:42,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:46:42,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:46:42,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:46:42,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:46:42,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:46:42,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i Unable to find full path for "g++" [2024-11-14 05:46:44,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:46:45,285 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:46:45,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i [2024-11-14 05:46:45,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data/680093826/854596162dbf4c96b61bfa804f3efa92/FLAG4d86081eb [2024-11-14 05:46:45,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data/680093826/854596162dbf4c96b61bfa804f3efa92 [2024-11-14 05:46:45,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:46:45,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:46:45,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:46:45,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:46:45,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:46:45,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c637abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45, skipping insertion in model container [2024-11-14 05:46:45,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:46:45,561 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_631dda8e-f6c6-4fda-a85c-9484a52e6089/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i[919,932] [2024-11-14 05:46:45,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:46:45,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:46:45,653 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_631dda8e-f6c6-4fda-a85c-9484a52e6089/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i[919,932] [2024-11-14 05:46:45,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:46:45,714 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:46:45,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45 WrapperNode [2024-11-14 05:46:45,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:46:45,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:46:45,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:46:45,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:46:45,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,784 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-11-14 05:46:45,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:46:45,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:46:45,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:46:45,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:46:45,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:46:45,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:46:45,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:46:45,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:46:45,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (1/1) ... [2024-11-14 05:46:45,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:46:45,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:46:45,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:46:45,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:46:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:46:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:46:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:46:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:46:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:46:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:46:46,052 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:46:46,054 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:46:46,532 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 05:46:46,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:46:46,698 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:46:46,699 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:46:46,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:46:46 BoogieIcfgContainer [2024-11-14 05:46:46,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:46:46,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:46:46,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:46:46,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:46:46,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:46:45" (1/3) ... [2024-11-14 05:46:46,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ca91ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:46:46, skipping insertion in model container [2024-11-14 05:46:46,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:45" (2/3) ... [2024-11-14 05:46:46,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ca91ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:46:46, skipping insertion in model container [2024-11-14 05:46:46,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:46:46" (3/3) ... [2024-11-14 05:46:46,711 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-80.i [2024-11-14 05:46:46,726 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:46:46,728 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-80.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:46:46,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:46:46,841 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;@193ae8e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:46:46,842 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:46:46,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:46:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-14 05:46:46,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:46,860 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:46,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:46,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:46,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1595873829, now seen corresponding path program 1 times [2024-11-14 05:46:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:46:46,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293572843] [2024-11-14 05:46:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:46,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:46:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:46:47,353 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:46:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:46:47,718 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:46:47,721 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:46:47,723 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:46:47,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:46:47,733 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:46:47,832 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:46:47,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:46:47 BoogieIcfgContainer [2024-11-14 05:46:47,839 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:46:47,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:46:47,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:46:47,841 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:46:47,841 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:46:46" (3/4) ... [2024-11-14 05:46:47,846 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:46:47,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:46:47,850 INFO L158 Benchmark]: Toolchain (without parser) took 2531.89ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 42.7MB in the end (delta: 50.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-11-14 05:46:47,853 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:46:47,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.36ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 79.2MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:46:47,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.39ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 75.5MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:46:47,854 INFO L158 Benchmark]: Boogie Preprocessor took 46.30ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:46:47,855 INFO L158 Benchmark]: RCFGBuilder took 863.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 41.9MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:46:47,855 INFO L158 Benchmark]: TraceAbstraction took 1137.58ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 43.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:46:47,855 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 117.4MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:46:47,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.36ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 79.2MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.39ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 75.5MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.30ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 863.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 41.9MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1137.58ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 43.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 117.4MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 88. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 128; [L23] double var_1_2 = 24.25; [L24] double var_1_3 = 128.5; [L25] double var_1_4 = 4.5; [L26] double var_1_5 = 49.5; [L27] signed short int var_1_9 = -25; [L28] unsigned char var_1_10 = 200; [L29] unsigned char var_1_11 = 1; [L30] unsigned char var_1_12 = 1; [L31] double var_1_13 = 128.375; [L32] unsigned short int var_1_14 = 0; [L33] float var_1_15 = 0.0; [L34] float var_1_16 = 4.87; [L35] float var_1_17 = 8.875; [L36] signed short int var_1_18 = -128; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 1; [L39] unsigned char var_1_21 = 0; [L40] unsigned long int var_1_22 = 16; [L41] unsigned long int var_1_23 = 4200661734; [L42] unsigned char last_1_var_1_10 = 200; [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] CALL updateLastVariables() [L117] last_1_var_1_10 = var_1_10 [L127] RET updateLastVariables() [L128] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_3=257/2, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L85] var_1_3 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_4=9/2, var_1_5=99/2, var_1_9=-25] [L87] var_1_4 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_5=99/2, var_1_9=-25] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_5=99/2, var_1_9=-25] [L89] var_1_5 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L91] var_1_11 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L93] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L94] var_1_12 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L96] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_13=1027/8, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L97] var_1_13 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L99] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_15=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L100] var_1_15 = __VERIFIER_nondet_float() [L101] CALL assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((var_1_15 >= 4611686.018427387900e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_16=487/100, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L102] var_1_16 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_17=71/8, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L104] var_1_17 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L106] var_1_20 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L108] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L109] var_1_21 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L111] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=4200661734, var_1_9=-25] [L112] var_1_23 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=-2, var_1_9=-25] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=-2, var_1_9=-25] [L114] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=-2, var_1_9=-25] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=200, var_1_11=1, var_1_12=-202, var_1_14=0, var_1_18=-128, var_1_19=0, var_1_1=128, var_1_20=1, var_1_21=0, var_1_22=16, var_1_23=-2, var_1_9=-25] [L128] RET updateVariables() [L129] CALL step() [L46] COND TRUE last_1_var_1_10 >= last_1_var_1_10 [L47] var_1_9 = (-256 + last_1_var_1_10) [L51] COND FALSE !(var_1_9 > 0) [L54] COND FALSE !(\read(var_1_19)) [L57] COND TRUE ! (var_1_5 > (255.9 / var_1_13)) [L58] var_1_10 = var_1_12 [L61] COND TRUE ((var_1_2 - var_1_3) * var_1_4) < var_1_5 [L62] var_1_1 = ((((-8) < ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10)))))) ? (-8) : ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))))) [L66] COND FALSE !((var_1_17 <= (- var_1_16)) && var_1_19) [L69] COND FALSE !(\read(var_1_19)) [L72] var_1_22 = (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10))) [L74] COND TRUE ! var_1_19 [L75] COND FALSE !(((var_1_15 - var_1_16) - var_1_17) <= var_1_13) [L78] var_1_14 = var_1_18 [L129] RET step() [L130] CALL, EXPR property() [L120-L121] return (((((((((var_1_2 - var_1_3) * var_1_4) < var_1_5) ? (var_1_1 == ((signed short int) ((((-8) < ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10)))))) ? (-8) : ((var_1_10 + ((((var_1_10) < (var_1_10)) ? (var_1_10) : (var_1_10))))))))) : (var_1_1 == ((signed short int) var_1_10))) && ((last_1_var_1_10 >= last_1_var_1_10) ? (var_1_9 == ((signed short int) (-256 + last_1_var_1_10))) : (var_1_9 == ((signed short int) (last_1_var_1_10 + last_1_var_1_10))))) && (var_1_19 ? (var_1_10 == ((unsigned char) ((((0) < (var_1_12)) ? (0) : (var_1_12))))) : ((! (var_1_5 > (255.9 / var_1_13))) ? (var_1_10 == ((unsigned char) var_1_12)) : 1))) && ((! var_1_19) ? ((((var_1_15 - var_1_16) - var_1_17) <= var_1_13) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (((var_1_17 <= (- var_1_16)) && var_1_19) ? (var_1_18 == ((signed short int) var_1_10)) : 1)) && ((var_1_9 > 0) ? (var_1_19 == ((unsigned char) ((var_1_5 >= (- var_1_15)) && (var_1_11 && (var_1_20 && var_1_21))))) : 1)) && (var_1_19 ? (var_1_22 == ((unsigned long int) (var_1_9 + var_1_10))) : (var_1_22 == ((unsigned long int) (((((var_1_23 - var_1_9)) < (var_1_10)) ? ((var_1_23 - var_1_9)) : (var_1_10)))))) ; [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=200, var_1_10=-202, var_1_11=1, var_1_12=-202, var_1_14=-128, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=-2, var_1_9=-56] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=200, var_1_10=-202, var_1_11=1, var_1_12=-202, var_1_14=-128, var_1_18=-128, var_1_19=0, var_1_1=-8, var_1_20=1, var_1_21=0, var_1_22=54, var_1_23=-2, var_1_9=-56] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:46:47,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/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_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/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_631dda8e-f6c6-4fda-a85c-9484a52e6089/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 66473f1cebb0a290f0043a11a06ba653a423aeeb0bfeddda50b16dbc70c9e720 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:46:50,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:46:50,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:46:50,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:46:50,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:46:50,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:46:50,700 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:46:50,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:46:50,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:46:50,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:46:50,701 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:46:50,701 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:46:50,701 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:46:50,701 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:46:50,701 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:46:50,701 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:46:50,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:46:50,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:46:50,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:46:50,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:46:50,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:46:50,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:46:50,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:46:50,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:46:50,710 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:46:50,710 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:46:50,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:46:50,711 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:46:50,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:46:50,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:46:50,711 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:46:50,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:46:50,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:46:50,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:46:50,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:46:50,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:46:50,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:46:50,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:46:50,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:46:50,713 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:46:50,713 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:46:50,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:46:50,713 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:46:50,713 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_631dda8e-f6c6-4fda-a85c-9484a52e6089/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 -> 66473f1cebb0a290f0043a11a06ba653a423aeeb0bfeddda50b16dbc70c9e720 [2024-11-14 05:46:51,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:46:51,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:46:51,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:46:51,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:46:51,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:46:51,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i Unable to find full path for "g++" [2024-11-14 05:46:52,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:46:53,240 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:46:53,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i [2024-11-14 05:46:53,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data/8e92399b7/b7ab0a684d884c0db64ea14ee216707a/FLAGbf7a34c48 [2024-11-14 05:46:53,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/data/8e92399b7/b7ab0a684d884c0db64ea14ee216707a [2024-11-14 05:46:53,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:46:53,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:46:53,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:46:53,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:46:53,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:46:53,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2879989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53, skipping insertion in model container [2024-11-14 05:46:53,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:46:53,677 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_631dda8e-f6c6-4fda-a85c-9484a52e6089/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i[919,932] [2024-11-14 05:46:53,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:46:53,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:46:53,790 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_631dda8e-f6c6-4fda-a85c-9484a52e6089/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-80.i[919,932] [2024-11-14 05:46:53,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:46:53,838 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:46:53,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53 WrapperNode [2024-11-14 05:46:53,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:46:53,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:46:53,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:46:53,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:46:53,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,905 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-11-14 05:46:53,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:46:53,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:46:53,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:46:53,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:46:53,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:46:53,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:46:53,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:46:53,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:46:53,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (1/1) ... [2024-11-14 05:46:53,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:46:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:46:54,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:46:54,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:46:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:46:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:46:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:46:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:46:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:46:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:46:54,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:46:54,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:47:07,639 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 05:47:07,640 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:47:07,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:47:07,657 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:47:07,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:07 BoogieIcfgContainer [2024-11-14 05:47:07,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:47:07,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:47:07,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:47:07,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:47:07,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:46:53" (1/3) ... [2024-11-14 05:47:07,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc07dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:07, skipping insertion in model container [2024-11-14 05:47:07,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:46:53" (2/3) ... [2024-11-14 05:47:07,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc07dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:47:07, skipping insertion in model container [2024-11-14 05:47:07,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:47:07" (3/3) ... [2024-11-14 05:47:07,675 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-80.i [2024-11-14 05:47:07,693 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:47:07,695 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-80.i that has 2 procedures, 60 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:47:07,782 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:47:07,799 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;@7602e652, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:47:07,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:47:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:47:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 05:47:07,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:07,816 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:07,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:07,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:07,821 INFO L85 PathProgramCache]: Analyzing trace with hash 774699959, now seen corresponding path program 1 times [2024-11-14 05:47:07,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:07,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545709101] [2024-11-14 05:47:07,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:07,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:47:07,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:07,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:47:07,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:47:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:09,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:47:09,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:09,162 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-14 05:47:09,162 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:47:09,163 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:47:09,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545709101] [2024-11-14 05:47:09,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545709101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:09,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:09,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:47:09,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275880726] [2024-11-14 05:47:09,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:09,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:47:09,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:47:09,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:47:09,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:47:09,201 INFO L87 Difference]: Start difference. First operand has 60 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 05:47:09,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:09,243 INFO L93 Difference]: Finished difference Result 113 states and 193 transitions. [2024-11-14 05:47:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:47:09,245 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-14 05:47:09,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:09,253 INFO L225 Difference]: With dead ends: 113 [2024-11-14 05:47:09,253 INFO L226 Difference]: Without dead ends: 56 [2024-11-14 05:47:09,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:47:09,264 INFO L432 NwaCegarLoop]: 82 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, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:09,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:47:09,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-14 05:47:09,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-14 05:47:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:47:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2024-11-14 05:47:09,336 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 124 [2024-11-14 05:47:09,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:09,336 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2024-11-14 05:47:09,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 05:47:09,339 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2024-11-14 05:47:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 05:47:09,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:09,345 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:09,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/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 05:47:09,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:47:09,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:09,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:09,555 INFO L85 PathProgramCache]: Analyzing trace with hash -838070151, now seen corresponding path program 1 times [2024-11-14 05:47:09,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:09,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681096446] [2024-11-14 05:47:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:09,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:47:09,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:09,562 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:47:09,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:47:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:10,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:47:10,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 05:47:11,013 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:47:11,014 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:47:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681096446] [2024-11-14 05:47:11,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681096446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:11,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:11,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:47:11,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559914586] [2024-11-14 05:47:11,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:11,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:11,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:47:11,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:11,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:11,017 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 05:47:13,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:13,377 INFO L93 Difference]: Finished difference Result 109 states and 161 transitions. [2024-11-14 05:47:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:13,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 124 [2024-11-14 05:47:13,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:13,473 INFO L225 Difference]: With dead ends: 109 [2024-11-14 05:47:13,473 INFO L226 Difference]: Without dead ends: 56 [2024-11-14 05:47:13,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:13,475 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 79 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:13,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 77 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2024-11-14 05:47:13,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-14 05:47:13,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-14 05:47:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 35 states have internal predecessors, (43), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:47:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2024-11-14 05:47:13,511 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 124 [2024-11-14 05:47:13,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:13,513 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2024-11-14 05:47:13,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 05:47:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2024-11-14 05:47:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 05:47:13,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:13,516 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:13,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/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 05:47:13,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:47:13,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:13,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:13,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1231097161, now seen corresponding path program 1 times [2024-11-14 05:47:13,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:13,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101942818] [2024-11-14 05:47:13,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:13,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:47:13,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:13,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:47:13,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:47:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:15,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 05:47:15,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-14 05:47:17,568 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:47:17,568 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:47:17,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101942818] [2024-11-14 05:47:17,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101942818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:17,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:17,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:47:17,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750340969] [2024-11-14 05:47:17,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:17,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:17,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:47:17,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:17,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:17,574 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 05:47:19,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:19,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:19,910 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2024-11-14 05:47:19,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:19,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 124 [2024-11-14 05:47:19,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:19,988 INFO L225 Difference]: With dead ends: 109 [2024-11-14 05:47:19,988 INFO L226 Difference]: Without dead ends: 56 [2024-11-14 05:47:19,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:19,990 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:19,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 72 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2024-11-14 05:47:19,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-14 05:47:20,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-14 05:47:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 35 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 05:47:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2024-11-14 05:47:20,006 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 124 [2024-11-14 05:47:20,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:20,007 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2024-11-14 05:47:20,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-14 05:47:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2024-11-14 05:47:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-14 05:47:20,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:20,009 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:20,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 05:47:20,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:47:20,210 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:20,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:20,210 INFO L85 PathProgramCache]: Analyzing trace with hash 752191252, now seen corresponding path program 1 times [2024-11-14 05:47:20,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:20,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389712252] [2024-11-14 05:47:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:20,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:47:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:20,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:47:20,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631dda8e-f6c6-4fda-a85c-9484a52e6089/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:47:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:21,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 05:47:21,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:47,348 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32)))) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv8 16)))) is different from false [2024-11-14 05:47:49,378 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32)))) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv8 16)))) is different from true [2024-11-14 05:48:47,643 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32)))) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv8 16)))) is different from false [2024-11-14 05:48:49,676 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32)))) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv8 16)))) is different from true [2024-11-14 05:49:28,635 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32)))) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv8 16))) (= (_ bv0 8) c_~var_1_19~0)) is different from false [2024-11-14 05:50:16,521 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32)))) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= c_~var_1_18~0 c_~var_1_14~0) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv8 16))) (= (_ bv0 8) c_~var_1_19~0)) is different from false [2024-11-14 05:50:18,552 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse0 (bvadd (bvneg ((_ sign_extend 16) c_~var_1_9~0)) c_~var_1_23~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvult .cse0 .cse2))) (or (and (= c_~var_1_22~0 .cse0) .cse1) (and (= c_~var_1_22~0 .cse2) (not .cse1))))) (= c_~var_1_9~0 ((_ extract 15 0) (bvadd ((_ zero_extend 24) c_~last_1_var_1_10~0) (_ bv4294967040 32)))) (fp.lt (fp.mul c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0) c_~var_1_4~0) c_~var_1_5~0) (= c_~var_1_12~0 c_~var_1_10~0) (bvsle ((_ zero_extend 24) c_~var_1_21~0) (_ bv0 32)) (= c_~var_1_18~0 c_~var_1_14~0) (= (_ bv0 16) (bvadd c_~var_1_1~0 (_ bv8 16))) (= (_ bv0 8) c_~var_1_19~0)) is different from true