./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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 b55edfcf8f1bec3a32276e499d06b3c7a9d9d8a099643ca6d0ff5cddc940e456 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:03:18,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:03:18,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:03:18,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:03:18,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:03:18,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:03:18,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:03:18,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:03:18,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:03:18,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:03:18,524 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:03:18,525 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:03:18,526 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:03:18,526 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:03:18,526 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:03:18,526 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:03:18,526 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:03:18,527 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:03:18,527 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:03:18,527 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:03:18,528 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:03:18,528 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:03:18,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:03:18,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:03:18,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:03:18,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:03:18,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:03:18,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:03:18,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:03:18,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:03:18,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:03:18,530 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:03:18,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:03:18,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:03:18,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:03:18,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:03:18,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:03:18,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:03:18,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:03:18,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:03:18,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:03:18,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:03:18,533 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:03:18,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:03:18,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:03:18,533 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:03:18,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:03:18,533 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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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 -> b55edfcf8f1bec3a32276e499d06b3c7a9d9d8a099643ca6d0ff5cddc940e456 [2024-11-14 04:03:18,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:03:18,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:03:18,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:03:18,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:03:18,954 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:03:18,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i Unable to find full path for "g++" [2024-11-14 04:03:21,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:03:21,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:03:21,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i [2024-11-14 04:03:21,830 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data/a9086321d/1ce3bcbd70844c1bb146d8003dae6eee/FLAG4f02631f2 [2024-11-14 04:03:21,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data/a9086321d/1ce3bcbd70844c1bb146d8003dae6eee [2024-11-14 04:03:21,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:03:21,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:03:21,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:03:21,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:03:21,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:03:21,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:03:21" (1/1) ... [2024-11-14 04:03:21,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6dd1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:21, skipping insertion in model container [2024-11-14 04:03:21,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:03:21" (1/1) ... [2024-11-14 04:03:21,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:03:22,111 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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i[919,932] [2024-11-14 04:03:22,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:03:22,268 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:03:22,286 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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i[919,932] [2024-11-14 04:03:22,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:03:22,401 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:03:22,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22 WrapperNode [2024-11-14 04:03:22,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:03:22,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:03:22,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:03:22,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:03:22,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,499 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2024-11-14 04:03:22,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:03:22,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:03:22,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:03:22,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:03:22,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:03:22,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:03:22,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:03:22,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:03:22,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (1/1) ... [2024-11-14 04:03:22,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:03:22,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:03:22,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:03:22,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:03:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:03:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:03:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:03:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:03:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:03:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:03:22,740 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:03:22,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:03:23,426 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:03:23,427 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:03:23,818 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:03:23,819 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:03:23,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:03:23 BoogieIcfgContainer [2024-11-14 04:03:23,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:03:23,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:03:23,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:03:23,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:03:23,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:03:21" (1/3) ... [2024-11-14 04:03:23,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b308edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:03:23, skipping insertion in model container [2024-11-14 04:03:23,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:22" (2/3) ... [2024-11-14 04:03:23,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b308edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:03:23, skipping insertion in model container [2024-11-14 04:03:23,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:03:23" (3/3) ... [2024-11-14 04:03:23,836 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i [2024-11-14 04:03:23,860 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:03:23,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:03:23,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:03:23,959 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;@63480fe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:03:23,959 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:03:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-14 04:03:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 04:03:23,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:23,984 INFO L215 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:03:23,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:03:23,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:23,992 INFO L85 PathProgramCache]: Analyzing trace with hash 997643096, now seen corresponding path program 1 times [2024-11-14 04:03:24,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:03:24,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459914844] [2024-11-14 04:03:24,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:24,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 04:03:24,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939744] [2024-11-14 04:03:24,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:24,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:03:24,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:03:24,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:03:24,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:03:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:03:25,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:03:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:03:25,800 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:03:25,803 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:03:25,804 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:03:25,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:03:26,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 04:03:26,014 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:03:26,194 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:03:26,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:03:26 BoogieIcfgContainer [2024-11-14 04:03:26,200 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:03:26,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:03:26,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:03:26,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:03:26,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:03:23" (3/4) ... [2024-11-14 04:03:26,206 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:03:26,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:03:26,209 INFO L158 Benchmark]: Toolchain (without parser) took 4357.06ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 40.9MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 04:03:26,209 INFO L158 Benchmark]: CDTParser took 2.22ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 100.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:03:26,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.00ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 76.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:03:26,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.49ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:03:26,215 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:03:26,215 INFO L158 Benchmark]: RCFGBuilder took 1276.50ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 64.1MB in the end (delta: 7.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-14 04:03:26,215 INFO L158 Benchmark]: TraceAbstraction took 2375.82ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 40.9MB in the end (delta: 22.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-14 04:03:26,216 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 117.4MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:03:26,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.22ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 100.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.00ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 76.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.49ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.58ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1276.50ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 64.1MB in the end (delta: 7.8MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2375.82ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 40.9MB in the end (delta: 22.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 117.4MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 9.2kB). 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 shiftRight at line 114, overapproximation of someBinaryArithmeticDOUBLEoperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of bitwiseOr at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 167, overapproximation of someBinaryDOUBLEComparisonOperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 163. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 16; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_8 = -10; [L26] unsigned short int var_1_9 = 4; [L27] signed char var_1_10 = 8; [L28] unsigned short int var_1_12 = 64314; [L29] unsigned short int var_1_13 = 26169; [L30] signed char var_1_17 = 50; [L31] signed char var_1_18 = 16; [L32] signed char var_1_19 = 5; [L33] signed char var_1_20 = 0; [L34] signed char var_1_21 = 50; [L35] signed char var_1_22 = 16; [L36] unsigned char var_1_23 = 16; [L37] unsigned char var_1_24 = 1; [L38] unsigned char var_1_25 = 0; [L39] double var_1_27 = 0.25; [L40] double var_1_28 = 10.25; [L41] double var_1_29 = 1000.25; [L42] double var_1_30 = 9.5; [L43] float var_1_31 = 63.5; [L44] unsigned short int var_1_32 = 16; [L45] unsigned char var_1_40 = 1; [L46] unsigned char var_1_43 = 0; [L47] signed long int var_1_44 = -4; [L48] unsigned long int var_1_46 = 4; [L49] unsigned long int var_1_49 = 3576445681; [L50] double var_1_50 = 32.5; [L51] signed long int var_1_52 = -1; [L52] unsigned short int var_1_53 = 64; [L53] unsigned short int last_1_var_1_9 = 4; [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L176] last_1_var_1_9 = var_1_9 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L126] var_1_4 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L128] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=1, var_1_8=-10, var_1_9=4] [L129] var_1_6 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_8=-10, var_1_9=4] [L131] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-10, var_1_9=4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-10, var_1_9=4] [L132] var_1_8 = __VERIFIER_nondet_char() [L133] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L134] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=8, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L135] var_1_10 = __VERIFIER_nondet_char() [L136] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L137] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=64314, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L138] var_1_12 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_12 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_12 >= 49150) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L140] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=26169, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L141] var_1_13 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_13 >= 24575) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_13 >= 24575) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L143] CALL assume_abort_if_not(var_1_13 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_13 <= 32767) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=16, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L144] var_1_18 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L146] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=5, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L147] var_1_19 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L149] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=0, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L150] var_1_20 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=50, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L153] var_1_21 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_21 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_21 >= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=16, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L156] var_1_22 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_22 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_22 <= 31) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L159] var_1_25 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_28=41/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L162] var_1_28 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_29=4001/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L164] var_1_29 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_30=19/2, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L166] var_1_30 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_30 >= -461168.6018427382800e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=0, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L168] var_1_43 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_43 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_43 >= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L170] CALL assume_abort_if_not(var_1_43 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_43 <= 1) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=3576445681, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L171] var_1_49 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_49 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_49 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L173] CALL assume_abort_if_not(var_1_49 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_49 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=50, var_1_18=63, var_1_19=62, var_1_1=16, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=1/4, var_1_31=127/2, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=65/2, var_1_52=-1, var_1_53=64, var_1_6=0, var_1_8=-1, var_1_9=4] [L187] RET updateVariables() [L188] CALL step() [L57] COND FALSE !((- last_1_var_1_9) < (last_1_var_1_9 + -500)) [L60] var_1_17 = (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22))) [L61] COND TRUE \read(var_1_4) [L62] var_1_24 = (! var_1_25) [L66] var_1_31 = var_1_30 [L67] COND FALSE !(var_1_23 < var_1_23) [L78] var_1_1 = var_1_8 [L80] signed char stepLocal_0 = var_1_1; [L81] COND FALSE !(stepLocal_0 < (-1 - var_1_10)) [L88] var_1_9 = var_1_13 [L90] COND FALSE !(var_1_9 < (var_1_21 + var_1_23)) [L93] var_1_27 = var_1_28 [L95] COND FALSE !((var_1_23 <= var_1_20) || var_1_6) [L102] COND FALSE !(((((4) < 0 ) ? -(4) : (4))) >= var_1_21) [L111] COND FALSE !(var_1_21 <= var_1_23) [L114] EXPR (~ var_1_10) >> ((((var_1_22) > (var_1_22)) ? (var_1_22) : (var_1_22))) [L114] COND FALSE !(((~ var_1_10) >> ((((var_1_22) > (var_1_22)) ? (var_1_22) : (var_1_22)))) >= var_1_10) [L117] var_1_50 = var_1_29 [L118] COND FALSE !((~ var_1_20) > var_1_20) [L121] var_1_52 = ((((var_1_21) < (var_1_21)) ? (var_1_21) : (var_1_21))) [L123] var_1_53 = var_1_22 [L188] RET step() [L189] CALL, EXPR property() [L179-L180] return (((((((var_1_23 < var_1_23) ? ((var_1_24 && var_1_24) ? (var_1_24 ? ((var_1_24 && (var_1_24 || var_1_24)) ? (var_1_1 == ((signed char) -5)) : 1) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_1 < (-1 - var_1_10)) ? (var_1_24 ? (var_1_9 == ((unsigned short int) (var_1_10 + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))))) : (var_1_9 == ((unsigned short int) ((var_1_12 - var_1_10) - ((var_1_13 - var_1_23) - ((((var_1_23) < (var_1_23)) ? (var_1_23) : (var_1_23)))))))) : (var_1_9 == ((unsigned short int) var_1_13)))) && (var_1_17 == ((signed char) (((((var_1_18) < (var_1_19)) ? (var_1_18) : (var_1_19))) - (var_1_20 + (var_1_21 - var_1_22)))))) && (((- last_1_var_1_9) < (last_1_var_1_9 + -500)) ? (var_1_23 == ((unsigned char) var_1_20)) : 1)) && (var_1_4 ? (var_1_24 == ((unsigned char) (! var_1_25))) : (var_1_24 == ((unsigned char) (var_1_6 && ((var_1_10 >= var_1_17) && var_1_25)))))) && ((var_1_9 < (var_1_21 + var_1_23)) ? (var_1_27 == ((double) ((var_1_28 + var_1_29) + var_1_30))) : (var_1_27 == ((double) var_1_28)))) && (var_1_31 == ((float) var_1_30)) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=22, var_1_18=63, var_1_19=62, var_1_1=-1, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=2, var_1_28=2, var_1_29=3, var_1_30=4, var_1_31=4, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3, var_1_52=39, var_1_53=0, var_1_6=0, var_1_8=-1, var_1_9=-40961] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=4, var_1_10=0, var_1_12=49150, var_1_13=-40961, var_1_17=22, var_1_18=63, var_1_19=62, var_1_1=-1, var_1_20=1, var_1_21=39, var_1_22=0, var_1_23=16, var_1_24=1, var_1_25=0, var_1_27=2, var_1_28=2, var_1_29=3, var_1_30=4, var_1_31=4, var_1_32=16, var_1_40=1, var_1_43=1, var_1_44=-4, var_1_46=4, var_1_49=2147483647, var_1_4=1, var_1_50=3, var_1_52=39, var_1_53=0, var_1_6=0, var_1_8=-1, var_1_9=-40961] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 31, 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=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:03:26,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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 b55edfcf8f1bec3a32276e499d06b3c7a9d9d8a099643ca6d0ff5cddc940e456 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:03:29,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:03:29,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:03:29,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:03:29,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:03:29,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:03:29,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:03:29,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:03:29,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:03:29,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:03:29,723 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:03:29,724 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:03:29,724 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:03:29,724 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:03:29,725 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:03:29,726 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:03:29,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:03:29,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:03:29,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:03:29,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:03:29,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:03:29,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:03:29,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:03:29,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:03:29,728 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:03:29,728 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:03:29,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:03:29,729 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:03:29,729 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:03:29,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:03:29,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:03:29,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:03:29,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:03:29,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:03:29,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:03:29,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:03:29,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:03:29,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:03:29,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:03:29,732 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:03:29,732 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:03:29,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:03:29,732 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:03:29,732 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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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 -> b55edfcf8f1bec3a32276e499d06b3c7a9d9d8a099643ca6d0ff5cddc940e456 [2024-11-14 04:03:30,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:03:30,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:03:30,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:03:30,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:03:30,149 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:03:30,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i Unable to find full path for "g++" [2024-11-14 04:03:32,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:03:32,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:03:32,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i [2024-11-14 04:03:32,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data/47a1ac9b0/8d8abb5626bc4e62af4170a5ae9a3e87/FLAG0f89ad377 [2024-11-14 04:03:33,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/data/47a1ac9b0/8d8abb5626bc4e62af4170a5ae9a3e87 [2024-11-14 04:03:33,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:03:33,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:03:33,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:03:33,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:03:33,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:03:33,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb6f595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33, skipping insertion in model container [2024-11-14 04:03:33,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:03:33,323 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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i[919,932] [2024-11-14 04:03:33,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:03:33,437 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:03:33,451 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_69154f98-c8d4-41b9-bd51-9a4b56565cf9/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i[919,932] [2024-11-14 04:03:33,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:03:33,527 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:03:33,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33 WrapperNode [2024-11-14 04:03:33,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:03:33,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:03:33,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:03:33,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:03:33,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,599 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-11-14 04:03:33,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:03:33,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:03:33,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:03:33,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:03:33,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:03:33,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:03:33,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:03:33,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:03:33,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (1/1) ... [2024-11-14 04:03:33,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:03:33,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:03:33,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:03:33,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:03:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:03:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:03:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:03:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:03:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:03:33,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:03:33,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:03:33,875 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:03:37,422 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:03:37,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:03:37,436 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:03:37,436 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:03:37,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:03:37 BoogieIcfgContainer [2024-11-14 04:03:37,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:03:37,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:03:37,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:03:37,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:03:37,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:03:33" (1/3) ... [2024-11-14 04:03:37,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38780240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:03:37, skipping insertion in model container [2024-11-14 04:03:37,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:03:33" (2/3) ... [2024-11-14 04:03:37,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38780240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:03:37, skipping insertion in model container [2024-11-14 04:03:37,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:03:37" (3/3) ... [2024-11-14 04:03:37,450 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i [2024-11-14 04:03:37,468 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:03:37,470 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-96.i that has 2 procedures, 90 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:03:37,539 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:03:37,554 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;@cbc884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:03:37,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:03:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-14 04:03:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 04:03:37,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:37,579 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:03:37,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:03:37,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:37,585 INFO L85 PathProgramCache]: Analyzing trace with hash -227944678, now seen corresponding path program 1 times [2024-11-14 04:03:37,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:03:37,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783362674] [2024-11-14 04:03:37,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:37,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:03:37,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:03:37,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:03:37,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 04:03:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:38,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:03:38,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:38,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 704 proven. 0 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-14 04:03:38,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:03:38,272 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:03:38,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783362674] [2024-11-14 04:03:38,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783362674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:38,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:38,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:03:38,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225621404] [2024-11-14 04:03:38,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:38,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:03:38,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:03:38,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:03:38,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:03:38,321 INFO L87 Difference]: Start difference. First operand has 90 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 57 states have internal predecessors, (79), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 04:03:38,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:38,383 INFO L93 Difference]: Finished difference Result 170 states and 301 transitions. [2024-11-14 04:03:38,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:03:38,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2024-11-14 04:03:38,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:38,396 INFO L225 Difference]: With dead ends: 170 [2024-11-14 04:03:38,396 INFO L226 Difference]: Without dead ends: 83 [2024-11-14 04:03:38,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:03:38,409 INFO L432 NwaCegarLoop]: 127 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, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:38,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:03:38,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-14 04:03:38,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-14 04:03:38,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 50 states have (on average 1.3) internal successors, (65), 50 states have internal predecessors, (65), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-14 04:03:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 127 transitions. [2024-11-14 04:03:38,492 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 127 transitions. Word has length 196 [2024-11-14 04:03:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:38,492 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 127 transitions. [2024-11-14 04:03:38,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-14 04:03:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2024-11-14 04:03:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 04:03:38,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:38,502 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:03:38,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:03:38,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:03:38,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:03:38,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:38,705 INFO L85 PathProgramCache]: Analyzing trace with hash -268258912, now seen corresponding path program 1 times [2024-11-14 04:03:38,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:03:38,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201257457] [2024-11-14 04:03:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:38,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:03:38,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:03:38,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:03:38,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 04:03:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:39,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:03:39,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-14 04:03:40,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:03:40,563 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:03:40,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201257457] [2024-11-14 04:03:40,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201257457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:40,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:40,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:03:40,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62903400] [2024-11-14 04:03:40,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:40,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:03:40,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:03:40,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:03:40,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:03:40,570 INFO L87 Difference]: Start difference. First operand 83 states and 127 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 04:03:43,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:45,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:45,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:45,478 INFO L93 Difference]: Finished difference Result 244 states and 376 transitions. [2024-11-14 04:03:45,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:03:45,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2024-11-14 04:03:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:45,496 INFO L225 Difference]: With dead ends: 244 [2024-11-14 04:03:45,496 INFO L226 Difference]: Without dead ends: 164 [2024-11-14 04:03:45,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:03:45,498 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 71 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:45,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 361 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-14 04:03:45,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-14 04:03:45,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 138. [2024-11-14 04:03:45,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 73 states have internal predecessors, (88), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-14 04:03:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 212 transitions. [2024-11-14 04:03:45,546 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 212 transitions. Word has length 196 [2024-11-14 04:03:45,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:45,548 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 212 transitions. [2024-11-14 04:03:45,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 04:03:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2024-11-14 04:03:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 04:03:45,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:45,552 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:03:45,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 04:03:45,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:03:45,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:03:45,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:45,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1957202654, now seen corresponding path program 1 times [2024-11-14 04:03:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:03:45,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793072418] [2024-11-14 04:03:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:45,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:03:45,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:03:45,757 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:03:45,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 04:03:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:46,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:03:46,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:48,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1196 proven. 144 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2024-11-14 04:03:48,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:03:49,207 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:03:49,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793072418] [2024-11-14 04:03:49,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793072418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:03:49,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [924655454] [2024-11-14 04:03:49,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:49,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:03:49,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:03:49,213 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:03:49,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 04:03:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:50,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:03:50,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:51,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 850 proven. 60 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-11-14 04:03:51,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:03:51,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [924655454] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:03:51,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525166656] [2024-11-14 04:03:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:51,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:03:51,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:03:51,497 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:03:51,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:03:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:51,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:03:51,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 958 proven. 42 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2024-11-14 04:03:52,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:03:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 48 proven. 42 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-14 04:03:53,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525166656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:03:53,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2024-11-14 04:03:53,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5, 5] total 16 [2024-11-14 04:03:53,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135711652] [2024-11-14 04:03:53,247 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2024-11-14 04:03:53,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 04:03:53,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:03:53,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 04:03:53,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:03:53,251 INFO L87 Difference]: Start difference. First operand 138 states and 212 transitions. Second operand has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 5 states have call successors, (84), 5 states have call predecessors, (84), 9 states have return successors, (87), 5 states have call predecessors, (87), 5 states have call successors, (87) [2024-11-14 04:03:58,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:00,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:04:00,630 INFO L93 Difference]: Finished difference Result 354 states and 499 transitions. [2024-11-14 04:04:00,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-14 04:04:00,632 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 5 states have call successors, (84), 5 states have call predecessors, (84), 9 states have return successors, (87), 5 states have call predecessors, (87), 5 states have call successors, (87) Word has length 196 [2024-11-14 04:04:00,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:04:00,636 INFO L225 Difference]: With dead ends: 354 [2024-11-14 04:04:00,636 INFO L226 Difference]: Without dead ends: 274 [2024-11-14 04:04:00,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 859 GetRequests, 808 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=684, Invalid=1968, Unknown=0, NotChecked=0, Total=2652 [2024-11-14 04:04:00,640 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 326 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 228 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:04:00,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 378 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 499 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-14 04:04:00,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-14 04:04:00,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 255. [2024-11-14 04:04:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 145 states have (on average 1.1172413793103448) internal successors, (162), 146 states have internal predecessors, (162), 93 states have call successors, (93), 16 states have call predecessors, (93), 16 states have return successors, (93), 92 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-14 04:04:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 348 transitions. [2024-11-14 04:04:00,707 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 348 transitions. Word has length 196 [2024-11-14 04:04:00,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:04:00,710 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 348 transitions. [2024-11-14 04:04:00,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 5 states have call successors, (84), 5 states have call predecessors, (84), 9 states have return successors, (87), 5 states have call predecessors, (87), 5 states have call successors, (87) [2024-11-14 04:04:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 348 transitions. [2024-11-14 04:04:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 04:04:00,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:00,718 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:04:00,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 04:04:00,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:04:01,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:04:01,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:04:01,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:04:01,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:01,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1641778914, now seen corresponding path program 1 times [2024-11-14 04:04:01,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:04:01,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114645319] [2024-11-14 04:04:01,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:01,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:04:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:04:01,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:04:01,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 04:04:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:01,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:04:01,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:04:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 618 proven. 72 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2024-11-14 04:04:02,591 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:04:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 18 proven. 72 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-14 04:04:03,319 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:04:03,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114645319] [2024-11-14 04:04:03,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114645319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:04:03,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [144440085] [2024-11-14 04:04:03,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:03,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:04:03,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:04:03,323 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:04:03,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 04:04:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:04,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:04:04,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:04:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 618 proven. 72 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2024-11-14 04:04:04,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:04:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 18 proven. 72 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-14 04:04:05,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [144440085] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:04:05,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488017937] [2024-11-14 04:04:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:05,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:04:05,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:04:05,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:04:05,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 04:04:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:05,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:04:05,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:04:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 618 proven. 72 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2024-11-14 04:04:06,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:04:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 18 proven. 72 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-14 04:04:07,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488017937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:04:07,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:04:07,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-14 04:04:07,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932729968] [2024-11-14 04:04:07,322 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:04:07,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:04:07,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:04:07,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:04:07,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:04:07,325 INFO L87 Difference]: Start difference. First operand 255 states and 348 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-14 04:04:10,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:10,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:04:10,950 INFO L93 Difference]: Finished difference Result 456 states and 613 transitions. [2024-11-14 04:04:10,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:04:10,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 196 [2024-11-14 04:04:10,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:04:10,973 INFO L225 Difference]: With dead ends: 456 [2024-11-14 04:04:10,973 INFO L226 Difference]: Without dead ends: 275 [2024-11-14 04:04:10,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1162 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-14 04:04:10,976 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 63 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:04:10,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 173 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2024-11-14 04:04:10,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-14 04:04:11,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 267. [2024-11-14 04:04:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 154 states have (on average 1.0974025974025974) internal successors, (169), 155 states have internal predecessors, (169), 93 states have call successors, (93), 19 states have call predecessors, (93), 19 states have return successors, (93), 92 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-14 04:04:11,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 355 transitions. [2024-11-14 04:04:11,039 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 355 transitions. Word has length 196 [2024-11-14 04:04:11,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:04:11,040 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 355 transitions. [2024-11-14 04:04:11,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (55), 2 states have call predecessors, (55), 4 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-14 04:04:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 355 transitions. [2024-11-14 04:04:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 04:04:11,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:11,044 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:04:11,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-14 04:04:11,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 04:04:11,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-14 04:04:11,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:04:11,645 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:04:11,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:11,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1843841756, now seen corresponding path program 1 times [2024-11-14 04:04:11,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:04:11,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811324886] [2024-11-14 04:04:11,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:11,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:04:11,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:04:11,649 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:04:11,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69154f98-c8d4-41b9-bd51-9a4b56565cf9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 04:04:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:12,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-14 04:04:12,017 INFO L278 TraceCheckSpWp]: Computing forward predicates...