./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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 6c8d7532b8f18c6853df696f5d1508145b246076a5492060529e54d649f74adf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:35:00,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:35:00,529 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:35:00,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:35:00,538 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:35:00,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:35:00,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:35:00,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:35:00,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:35:00,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:35:00,574 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:35:00,574 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:35:00,575 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:35:00,575 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:35:00,575 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:35:00,575 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:35:00,575 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:35:00,575 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:35:00,575 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:35:00,575 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:35:00,576 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:35:00,576 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:35:00,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:35:00,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:35:00,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:35:00,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:35:00,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:35:00,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:35:00,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:35:00,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:35:00,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:35:00,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:00,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:35:00,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:35:00,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:35:00,580 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:35:00,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:35:00,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:35:00,581 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:35:00,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:35:00,581 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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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 -> 6c8d7532b8f18c6853df696f5d1508145b246076a5492060529e54d649f74adf [2024-11-14 05:35:00,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:35:00,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:35:00,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:35:00,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:35:00,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:35:00,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i Unable to find full path for "g++" [2024-11-14 05:35:03,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:35:03,662 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:35:03,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i [2024-11-14 05:35:03,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data/7bca35801/857966d5d0264194a8a658f9188424b5/FLAG22888bd71 [2024-11-14 05:35:03,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data/7bca35801/857966d5d0264194a8a658f9188424b5 [2024-11-14 05:35:03,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:35:03,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:35:03,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:03,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:35:03,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:35:03,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:03" (1/1) ... [2024-11-14 05:35:03,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60fe084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:03, skipping insertion in model container [2024-11-14 05:35:03,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:03" (1/1) ... [2024-11-14 05:35:03,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:35:03,976 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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i[919,932] [2024-11-14 05:35:04,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:04,092 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:35:04,104 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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i[919,932] [2024-11-14 05:35:04,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:04,175 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:35:04,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04 WrapperNode [2024-11-14 05:35:04,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:04,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:04,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:35:04,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:35:04,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,259 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2024-11-14 05:35:04,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:04,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:35:04,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:35:04,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:35:04,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:35:04,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:35:04,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:35:04,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:35:04,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (1/1) ... [2024-11-14 05:35:04,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:04,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:04,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:35:04,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:35:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:35:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:35:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:35:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:35:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:35:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:35:04,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:35:04,530 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:35:05,321 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 05:35:05,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:35:05,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:35:05,816 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:35:05,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:05 BoogieIcfgContainer [2024-11-14 05:35:05,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:35:05,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:35:05,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:35:05,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:35:05,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:35:03" (1/3) ... [2024-11-14 05:35:05,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302f7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:05, skipping insertion in model container [2024-11-14 05:35:05,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:04" (2/3) ... [2024-11-14 05:35:05,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302f7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:05, skipping insertion in model container [2024-11-14 05:35:05,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:05" (3/3) ... [2024-11-14 05:35:05,841 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i [2024-11-14 05:35:05,862 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:35:05,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:35:05,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:35:06,011 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;@37d5701c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:35:06,012 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:35:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:35:06,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-14 05:35:06,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:06,030 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:06,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:06,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:06,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1729319684, now seen corresponding path program 1 times [2024-11-14 05:35:06,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:35:06,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4327012] [2024-11-14 05:35:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:35:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:35:06,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74818929] [2024-11-14 05:35:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:06,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:35:06,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:06,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:35:06,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:35:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:35:07,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:35:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:35:07,524 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:35:07,527 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:35:07,529 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:35:07,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:35:07,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:35:07,736 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:35:07,820 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:35:07,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:35:07 BoogieIcfgContainer [2024-11-14 05:35:07,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:35:07,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:35:07,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:35:07,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:35:07,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:05" (3/4) ... [2024-11-14 05:35:07,829 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:35:07,830 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:35:07,831 INFO L158 Benchmark]: Toolchain (without parser) took 4081.18ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 69.1MB in the end (delta: 60.0MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-11-14 05:35:07,832 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:35:07,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.62ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 114.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:35:07,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.83ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 110.2MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:35:07,833 INFO L158 Benchmark]: Boogie Preprocessor took 42.52ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 108.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:35:07,834 INFO L158 Benchmark]: RCFGBuilder took 1517.45ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 42.0MB in the end (delta: 66.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-14 05:35:07,835 INFO L158 Benchmark]: TraceAbstraction took 1999.95ms. Allocated memory is still 167.8MB. Free memory was 41.4MB in the beginning and 69.1MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:35:07,835 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 167.8MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:35:07,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.62ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 114.0MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.83ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 110.2MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.52ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 108.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1517.45ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 42.0MB in the end (delta: 66.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1999.95ms. Allocated memory is still 167.8MB. Free memory was 41.4MB in the beginning and 69.1MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 167.8MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 167, overapproximation of someBinaryFLOATComparisonOperation at line 165, overapproximation of someBinaryFLOATComparisonOperation at line 173, overapproximation of someBinaryFLOATComparisonOperation at line 137, overapproximation of bitwiseOr at line 100, overapproximation of someUnaryDOUBLEoperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 181, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 142. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] signed short int var_1_5 = -256; [L24] double var_1_7 = 256.25; [L25] double var_1_8 = 127.8; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] float var_1_12 = 999.75; [L29] float var_1_13 = 64.5; [L30] float var_1_14 = 127.25; [L31] signed char var_1_15 = -32; [L32] float var_1_16 = 32.7; [L33] unsigned char var_1_17 = 16; [L34] unsigned char var_1_18 = 32; [L35] unsigned short int var_1_19 = 5; [L36] signed long int var_1_21 = 100; [L37] signed short int var_1_22 = 50; [L38] double var_1_23 = 1000000.75; [L39] unsigned long int var_1_24 = 16; [L40] double var_1_28 = 15.5; [L41] unsigned long int var_1_30 = 5; [L42] signed long int var_1_32 = 32; [L43] float var_1_34 = 7.5; [L44] unsigned short int var_1_35 = 100; [L45] unsigned short int var_1_37 = 47055; [L46] signed char var_1_39 = -64; [L47] double var_1_40 = 16.75; [L48] signed char var_1_41 = 16; [L49] signed long int last_1_var_1_1 = -256; [L50] signed short int last_1_var_1_5 = -256; [L51] unsigned char last_1_var_1_10 = 0; [L52] unsigned short int last_1_var_1_19 = 5; [L53] signed short int last_1_var_1_22 = 50; [L199] isInitial = 1 [L200] FCALL initially() [L201] COND TRUE 1 [L202] CALL updateLastVariables() [L188] last_1_var_1_1 = var_1_1 [L189] last_1_var_1_5 = var_1_5 [L190] last_1_var_1_10 = var_1_10 [L191] last_1_var_1_19 = var_1_19 [L192] last_1_var_1_22 = var_1_22 [L202] RET updateLastVariables() [L203] CALL updateVariables() [L157] var_1_7 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=639/5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=639/5] [L159] var_1_8 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L161] var_1_11 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L163] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L164] var_1_13 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L166] var_1_14 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L168] var_1_15 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L170] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L171] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L172] var_1_16 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L174] var_1_18 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L176] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L177] var_1_37 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_37 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_37 >= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L179] CALL assume_abort_if_not(var_1_37 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_37 <= 65534) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256] [L180] var_1_40 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_40 >= -922337.2036854776000e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not((var_1_40 >= -922337.2036854776000e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=16, var_1_5=-256] [L182] CALL assume_abort_if_not(var_1_40 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=16, var_1_5=-256] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_40 != 0.0F) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=16, var_1_5=-256] [L183] var_1_41 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_41 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=-65, var_1_5=-256] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_41 >= -127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=-65, var_1_5=-256] [L185] CALL assume_abort_if_not(var_1_41 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=-65, var_1_5=-256] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_41 <= 126) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_15=-128, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_37=-32768, var_1_39=-64, var_1_41=-65, var_1_5=-256] [L203] RET updateVariables() [L204] CALL step() [L57] signed long int stepLocal_2 = last_1_var_1_5; [L58] unsigned char stepLocal_1 = last_1_var_1_10; [L59] signed long int stepLocal_0 = 256; [L60] COND FALSE !(stepLocal_1 && (last_1_var_1_5 >= last_1_var_1_1)) [L65] COND TRUE last_1_var_1_1 >= stepLocal_2 [L66] var_1_1 = last_1_var_1_5 [L71] COND FALSE !(var_1_14 > var_1_7) [L82] COND TRUE ((var_1_7 / var_1_40) * var_1_14) > var_1_14 [L83] COND FALSE !(var_1_1 < 100u) [L93] var_1_10 = (last_1_var_1_10 && var_1_11) [L94] COND TRUE var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L95] COND FALSE !(\read(var_1_10)) [L99] COND TRUE var_1_19 < var_1_18 [L100] EXPR var_1_19 ^ var_1_19 [L100] COND FALSE !(var_1_18 < (var_1_19 ^ var_1_19)) [L110] var_1_34 = var_1_14 [L111] var_1_22 = last_1_var_1_22 [L112] COND FALSE !(\read(var_1_10)) [L115] var_1_23 = var_1_14 [L116] COND FALSE !(var_1_10 || var_1_10) [L119] var_1_30 = var_1_17 [L121] unsigned char stepLocal_5 = var_1_10; [L122] unsigned char stepLocal_4 = var_1_18; [L123] COND TRUE var_1_22 < stepLocal_4 [L124] var_1_19 = last_1_var_1_19 [L132] EXPR (var_1_5 % var_1_15) ^ var_1_19 [L132] COND TRUE ((var_1_5 % var_1_15) ^ var_1_19) != var_1_1 [L133] var_1_35 = (((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) - var_1_18) [L135] var_1_21 = var_1_22 [L136] COND FALSE !(! (var_1_23 <= var_1_7)) [L139] COND TRUE (((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19 [L140] var_1_12 = var_1_13 [L145] unsigned char stepLocal_3 = var_1_10; [L146] COND FALSE !(var_1_10 && stepLocal_3) [L149] COND TRUE (var_1_7 - var_1_8) > var_1_12 [L150] var_1_5 = var_1_19 [L204] RET step() [L205] CALL, EXPR property() [L195-L196] return (((((((((last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) ? ((256 != last_1_var_1_5) ? (var_1_1 == ((signed long int) (last_1_var_1_1 + last_1_var_1_5))) : 1) : ((last_1_var_1_1 >= last_1_var_1_5) ? (var_1_1 == ((signed long int) last_1_var_1_5)) : (var_1_1 == ((signed long int) last_1_var_1_1)))) && ((var_1_10 && var_1_10) ? (var_1_5 == ((signed short int) ((((var_1_19) < (-100)) ? (var_1_19) : (-100))))) : (((var_1_7 - var_1_8) > var_1_12) ? (var_1_5 == ((signed short int) var_1_19)) : (var_1_5 == ((signed short int) var_1_19))))) && (var_1_10 == ((unsigned char) (last_1_var_1_10 && var_1_11)))) && ((! (var_1_23 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_10 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_22 < var_1_18) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (((var_1_10 || var_1_10) || var_1_10) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (var_1_19 == ((unsigned short int) var_1_22))))) && (var_1_21 == ((signed long int) var_1_22))) && (var_1_22 == ((signed short int) last_1_var_1_22))) && (var_1_23 == ((double) var_1_14)) ; [L205] RET, EXPR property() [L205] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=-128, var_1_16=0, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=16, var_1_32=32, var_1_34=3, var_1_35=32716, var_1_37=-32768, var_1_39=-64, var_1_41=-65, var_1_5=5] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_14=3, var_1_15=-128, var_1_16=0, var_1_17=16, var_1_18=-204, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=3, var_1_24=16, var_1_28=31/2, var_1_30=16, var_1_32=32, var_1_34=3, var_1_35=32716, var_1_37=-32768, var_1_39=-64, var_1_41=-65, var_1_5=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 18, 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=38occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:35:07,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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 6c8d7532b8f18c6853df696f5d1508145b246076a5492060529e54d649f74adf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:35:11,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:35:11,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:35:11,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:35:11,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:35:11,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:35:11,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:35:11,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:35:11,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:35:11,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:35:11,386 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:35:11,386 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:35:11,387 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:35:11,387 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:35:11,387 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:35:11,387 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:35:11,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:35:11,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:35:11,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:35:11,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:35:11,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:35:11,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:35:11,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:35:11,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:35:11,392 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:35:11,393 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:35:11,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:35:11,393 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:35:11,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:35:11,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:35:11,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:35:11,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:35:11,394 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:35:11,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:35:11,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:35:11,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:11,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:35:11,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:35:11,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:35:11,394 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:35:11,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:35:11,395 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:35:11,395 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:35:11,395 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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/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 -> 6c8d7532b8f18c6853df696f5d1508145b246076a5492060529e54d649f74adf [2024-11-14 05:35:11,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:35:11,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:35:11,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:35:11,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:35:11,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:35:11,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i Unable to find full path for "g++" [2024-11-14 05:35:14,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:35:14,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:35:14,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i [2024-11-14 05:35:14,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data/1749263ee/6d9280cbb9a24e9bb20ac963286d995a/FLAGc336019ae [2024-11-14 05:35:14,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/data/1749263ee/6d9280cbb9a24e9bb20ac963286d995a [2024-11-14 05:35:14,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:35:14,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:35:14,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:14,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:35:14,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:35:14,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:14" (1/1) ... [2024-11-14 05:35:14,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d3de35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:14, skipping insertion in model container [2024-11-14 05:35:14,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:14" (1/1) ... [2024-11-14 05:35:14,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:35:15,015 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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i[919,932] [2024-11-14 05:35:15,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:15,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:35:15,154 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_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i[919,932] [2024-11-14 05:35:15,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:15,244 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:35:15,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15 WrapperNode [2024-11-14 05:35:15,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:15,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:15,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:35:15,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:35:15,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,327 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 181 [2024-11-14 05:35:15,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:15,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:35:15,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:35:15,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:35:15,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:35:15,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:35:15,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:35:15,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:35:15,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (1/1) ... [2024-11-14 05:35:15,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:15,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:15,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:35:15,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:35:15,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:35:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:35:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:35:15,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:35:15,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:35:15,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:35:15,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:35:15,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:35:23,146 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 05:35:23,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:35:23,161 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:35:23,162 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:35:23,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:23 BoogieIcfgContainer [2024-11-14 05:35:23,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:35:23,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:35:23,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:35:23,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:35:23,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:35:14" (1/3) ... [2024-11-14 05:35:23,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a108ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:23, skipping insertion in model container [2024-11-14 05:35:23,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:15" (2/3) ... [2024-11-14 05:35:23,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a108ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:23, skipping insertion in model container [2024-11-14 05:35:23,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:23" (3/3) ... [2024-11-14 05:35:23,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i [2024-11-14 05:35:23,194 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:35:23,196 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-25.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:35:23,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:35:23,310 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;@500bfee4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:35:23,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:35:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:35:23,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 05:35:23,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:23,341 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:23,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:23,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:23,349 INFO L85 PathProgramCache]: Analyzing trace with hash 147750172, now seen corresponding path program 1 times [2024-11-14 05:35:23,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:23,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75644880] [2024-11-14 05:35:23,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:23,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:23,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:23,374 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:23,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:35:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:24,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:35:24,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-14 05:35:24,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:24,975 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:24,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75644880] [2024-11-14 05:35:24,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75644880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:24,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:24,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:35:24,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617800885] [2024-11-14 05:35:24,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:24,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:35:24,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:25,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:35:25,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:35:25,010 INFO L87 Difference]: Start difference. First operand has 78 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:35:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:25,056 INFO L93 Difference]: Finished difference Result 149 states and 256 transitions. [2024-11-14 05:35:25,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:35:25,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2024-11-14 05:35:25,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:25,068 INFO L225 Difference]: With dead ends: 149 [2024-11-14 05:35:25,069 INFO L226 Difference]: Without dead ends: 74 [2024-11-14 05:35:25,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:35:25,080 INFO L432 NwaCegarLoop]: 114 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, 114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:25,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:35:25,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-14 05:35:25,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-14 05:35:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:35:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 114 transitions. [2024-11-14 05:35:25,156 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 114 transitions. Word has length 129 [2024-11-14 05:35:25,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:25,157 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 114 transitions. [2024-11-14 05:35:25,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 05:35:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2024-11-14 05:35:25,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 05:35:25,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:25,165 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:25,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:35:25,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:25,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:25,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:25,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1139204130, now seen corresponding path program 1 times [2024-11-14 05:35:25,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:25,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002039770] [2024-11-14 05:35:25,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:25,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:25,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:25,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:25,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:35:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:26,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:35:26,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-14 05:35:29,438 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:29,438 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:29,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002039770] [2024-11-14 05:35:29,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002039770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:29,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:29,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:35:29,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384594237] [2024-11-14 05:35:29,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:29,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:35:29,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:35:29,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:35:29,444 INFO L87 Difference]: Start difference. First operand 74 states and 114 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:35:30,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:30,384 INFO L93 Difference]: Finished difference Result 145 states and 225 transitions. [2024-11-14 05:35:30,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:35:30,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 129 [2024-11-14 05:35:30,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:30,398 INFO L225 Difference]: With dead ends: 145 [2024-11-14 05:35:30,398 INFO L226 Difference]: Without dead ends: 74 [2024-11-14 05:35:30,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:35:30,400 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 117 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:30,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 94 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 05:35:30,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-14 05:35:30,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-14 05:35:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 05:35:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2024-11-14 05:35:30,419 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 129 [2024-11-14 05:35:30,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:30,421 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2024-11-14 05:35:30,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 05:35:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2024-11-14 05:35:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 05:35:30,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:30,424 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:30,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 05:35:30,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:30,625 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:30,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:30,626 INFO L85 PathProgramCache]: Analyzing trace with hash 2113015843, now seen corresponding path program 1 times [2024-11-14 05:35:30,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:30,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117912192] [2024-11-14 05:35:30,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:30,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:35:30,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:30,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:35:30,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 05:35:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:32,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:35:32,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:36:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 236 proven. 84 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-14 05:36:04,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:36:27,985 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:36:27,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117912192] [2024-11-14 05:36:27,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117912192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:36:27,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1852095723] [2024-11-14 05:36:27,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:36:27,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:36:27,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:36:27,996 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:36:27,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bb5a4c9-3ef7-4dc1-953d-49d1747ecf28/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 05:36:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:36:31,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-14 05:36:31,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:25,513 WARN L286 SmtUtils]: Spent 50.94s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)