./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:34:49,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:34:49,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:34:49,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:34:49,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:34:49,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:34:49,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:34:49,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:34:49,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:34:49,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:34:49,622 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:34:49,622 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:34:49,622 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:34:49,622 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:34:49,622 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:34:49,622 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:34:49,622 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:34:49,623 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:34:49,623 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:34:49,623 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:34:49,623 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:34:49,623 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:34:49,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:34:49,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:34:49,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:34:49,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:34:49,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:34:49,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:34:49,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:34:49,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:34:49,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:34:49,627 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:34:49,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:34:49,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:34:49,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:34:49,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:34:49,628 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:34:49,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:34:49,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:34:49,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:34:49,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:34:49,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:34:49,629 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:34:49,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:34:49,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:34:49,629 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:34:49,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:34:49,629 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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 -> cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 [2024-11-14 05:34:49,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:34:49,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:34:49,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:34:49,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:34:49,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:34:49,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i Unable to find full path for "g++" [2024-11-14 05:34:51,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:34:52,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:34:52,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-14 05:34:52,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data/e7c3cbcfd/15d9143cfe9549b79b490ab1ec83e049/FLAG1e35ab7ff [2024-11-14 05:34:52,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data/e7c3cbcfd/15d9143cfe9549b79b490ab1ec83e049 [2024-11-14 05:34:52,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:34:52,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:34:52,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:34:52,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:34:52,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:34:52,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1107d91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52, skipping insertion in model container [2024-11-14 05:34:52,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:34:52,276 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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-14 05:34:52,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:34:52,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:34:52,363 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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-14 05:34:52,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:34:52,406 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:34:52,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52 WrapperNode [2024-11-14 05:34:52,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:34:52,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:34:52,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:34:52,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:34:52,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,469 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2024-11-14 05:34:52,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:34:52,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:34:52,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:34:52,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:34:52,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:34:52,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:34:52,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:34:52,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:34:52,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (1/1) ... [2024-11-14 05:34:52,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:34:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:34:52,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:34:52,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:34:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:34:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:34:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:34:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:34:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:34:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:34:52,709 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:34:52,711 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:34:53,120 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 05:34:53,120 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:34:53,391 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:34:53,391 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:34:53,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:34:53 BoogieIcfgContainer [2024-11-14 05:34:53,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:34:53,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:34:53,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:34:53,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:34:53,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:34:52" (1/3) ... [2024-11-14 05:34:53,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d54b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:34:53, skipping insertion in model container [2024-11-14 05:34:53,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:34:52" (2/3) ... [2024-11-14 05:34:53,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d54b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:34:53, skipping insertion in model container [2024-11-14 05:34:53,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:34:53" (3/3) ... [2024-11-14 05:34:53,418 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-14 05:34:53,441 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:34:53,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-38.i that has 2 procedures, 43 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:34:53,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:34:53,527 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;@2ba92a1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:34:53,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:34:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:34:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 05:34:53,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:34:53,546 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:34:53,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:34:53,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:34:53,553 INFO L85 PathProgramCache]: Analyzing trace with hash -378736959, now seen corresponding path program 1 times [2024-11-14 05:34:53,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:34:53,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587055470] [2024-11-14 05:34:53,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:34:53,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:34:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:34:54,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21657969] [2024-11-14 05:34:54,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:34:54,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:34:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:34:54,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:34:54,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:34:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:34:54,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:34:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:34:54,545 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:34:54,547 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:34:54,549 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:34:54,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:34:54,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 05:34:54,754 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:34:54,825 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:34:54,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:34:54 BoogieIcfgContainer [2024-11-14 05:34:54,828 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:34:54,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:34:54,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:34:54,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:34:54,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:34:53" (3/4) ... [2024-11-14 05:34:54,832 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:34:54,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:34:54,834 INFO L158 Benchmark]: Toolchain (without parser) took 2760.04ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 44.3MB in the end (delta: 48.0MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-14 05:34:54,835 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:34:54,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.75ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:34:54,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.92ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:34:54,836 INFO L158 Benchmark]: Boogie Preprocessor took 53.78ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:34:54,836 INFO L158 Benchmark]: RCFGBuilder took 867.80ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 39.0MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:34:54,837 INFO L158 Benchmark]: TraceAbstraction took 1433.49ms. Allocated memory is still 117.4MB. Free memory was 38.4MB in the beginning and 44.8MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:34:54,837 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 117.4MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:34:54,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.75ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.92ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 76.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.78ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 867.80ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 39.0MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1433.49ms. Allocated memory is still 117.4MB. Free memory was 38.4MB in the beginning and 44.8MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 117.4MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 46, overapproximation of someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 0; [L26] unsigned short int var_1_8 = 4; [L27] signed long int var_1_11 = 100; [L28] signed long int var_1_12 = 8; [L29] unsigned short int var_1_13 = 128; [L30] double var_1_14 = 64.5; [L31] signed short int var_1_15 = 4; [L32] signed long int var_1_16 = -8; [L33] double var_1_17 = 255.5; [L34] double var_1_18 = 0.6; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 999999.25; [L37] signed short int var_1_21 = -64; [L38] signed char var_1_25 = -128; [L39] signed char var_1_26 = -8; [L40] unsigned short int last_1_var_1_8 = 4; [L41] signed short int last_1_var_1_21 = -64; [L42] signed char last_1_var_1_25 = -128; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] CALL updateLastVariables() [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_21 = var_1_21 [L126] last_1_var_1_25 = var_1_25 [L136] RET updateLastVariables() [L137] CALL updateVariables() [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L90] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L91] var_1_6 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_7=0, var_1_8=4] [L93] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=100, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L94] var_1_11 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L96] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=8, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L97] var_1_12 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L99] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=128, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L100] var_1_13 = __VERIFIER_nondet_ushort() [L101] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L102] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=4, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L103] var_1_15 = __VERIFIER_nondet_short() [L104] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L105] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L106] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=-8, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L107] var_1_16 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L109] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L110] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_17=511/2, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L111] var_1_17 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_18=3/5, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L113] var_1_18 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_19=2000000000001/2, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L115] var_1_19 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_20=3999997/4, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L117] var_1_20 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-8, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L119] var_1_26 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_26 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_26 >= -127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L121] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=129/2, var_1_15=8, var_1_16=66, var_1_1=1, var_1_21=-64, var_1_25=-128, var_1_26=-127, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=4] [L137] RET updateVariables() [L138] CALL step() [L46] EXPR last_1_var_1_8 >> var_1_15 [L46] COND FALSE !((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) [L49] var_1_21 = last_1_var_1_25 [L51] signed long int stepLocal_1 = ((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12; [L52] signed long int stepLocal_0 = last_1_var_1_21 + last_1_var_1_21; [L53] COND FALSE !((last_1_var_1_21 * last_1_var_1_21) < stepLocal_1) [L58] var_1_8 = var_1_13 [L60] COND TRUE ! (var_1_21 > var_1_8) [L61] COND TRUE \read(var_1_4) [L62] var_1_25 = var_1_26 [L65] COND FALSE !((8 / var_1_15) < (64 / var_1_16)) [L72] var_1_14 = var_1_18 [L74] COND FALSE !((- var_1_14) <= var_1_14) [L77] COND FALSE !(var_1_14 <= var_1_14) [L80] var_1_1 = var_1_4 [L83] COND TRUE var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14)))) [L84] var_1_7 = (var_1_1 && (! 1)) [L138] RET step() [L139] CALL, EXPR property() [L129] EXPR ((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25))) [L129-L130] return (((((((- var_1_14) <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_4)) : ((var_1_14 <= var_1_14) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_4)))) && ((var_1_14 < ((((var_1_14) > ((128.5 * var_1_14))) ? (var_1_14) : ((128.5 * var_1_14))))) ? (var_1_7 == ((unsigned char) (var_1_1 && (! 1)))) : 1)) && (((last_1_var_1_21 * last_1_var_1_21) < (((((-1) > (var_1_11)) ? (-1) : (var_1_11))) - var_1_12)) ? (((last_1_var_1_21 + last_1_var_1_21) < var_1_12) ? (var_1_8 == ((unsigned short int) var_1_13)) : 1) : (var_1_8 == ((unsigned short int) var_1_13)))) && (((8 / var_1_15) < (64 / var_1_16)) ? ((var_1_8 >= var_1_15) ? (var_1_14 == ((double) (var_1_17 - var_1_18))) : (var_1_14 == ((double) (var_1_18 - (64.25 + ((((var_1_19) > (var_1_20)) ? (var_1_19) : (var_1_20)))))))) : (var_1_14 == ((double) var_1_18)))) && (((last_1_var_1_8 + 4u) <= (last_1_var_1_8 >> var_1_15)) ? (var_1_21 == ((signed short int) (((((last_1_var_1_25 + last_1_var_1_25)) < (last_1_var_1_25)) ? ((last_1_var_1_25 + last_1_var_1_25)) : (last_1_var_1_25))))) : (var_1_21 == ((signed short int) last_1_var_1_25)))) && ((! (var_1_21 > var_1_8)) ? (var_1_4 ? (var_1_25 == ((signed char) var_1_26)) : 1) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=2, var_1_15=8, var_1_16=66, var_1_18=2, var_1_1=-255, var_1_21=-128, var_1_25=-127, var_1_26=-127, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=65536] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_25=-128, last_1_var_1_8=4, var_1_11=-1, var_1_12=0, var_1_13=65536, var_1_14=2, var_1_15=8, var_1_16=66, var_1_18=2, var_1_1=-255, var_1_21=-128, var_1_25=-127, var_1_26=-127, var_1_4=-255, var_1_6=0, var_1_7=0, var_1_8=65536] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 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 05:34:54,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:34:57,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:34:57,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:34:57,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:34:57,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:34:57,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:34:57,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:34:57,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:34:57,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:34:57,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:34:57,771 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:34:57,771 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:34:57,771 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:34:57,771 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:34:57,771 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:34:57,771 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:34:57,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:34:57,772 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:34:57,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:34:57,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:34:57,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:34:57,774 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:34:57,774 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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 -> cbf547767eb9f5a191cbf3ebcae68e21d8de8443811badb1e6b5020923e86ab6 [2024-11-14 05:34:58,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:34:58,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:34:58,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:34:58,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:34:58,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:34:58,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i Unable to find full path for "g++" [2024-11-14 05:35:00,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:35:00,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:35:00,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-14 05:35:00,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data/3116b62e6/293f2a93a7a14920b4e2d644ae514b90/FLAG5fb5337dd [2024-11-14 05:35:00,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/data/3116b62e6/293f2a93a7a14920b4e2d644ae514b90 [2024-11-14 05:35:00,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:35:00,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:35:00,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:00,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:35:00,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:35:00,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e5fc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00, skipping insertion in model container [2024-11-14 05:35:00,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:35:00,572 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_16acf0e9-2928-40c3-97d7-e9d29b2b8139/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-14 05:35:00,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:00,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:35:00,716 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-38.i[913,926] [2024-11-14 05:35:00,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:35:00,795 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:35:00,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00 WrapperNode [2024-11-14 05:35:00,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:35:00,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:00,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:35:00,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:35:00,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,858 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-14 05:35:00,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:35:00,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:35:00,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:35:00,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:35:00,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:35:00,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:35:00,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:35:00,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:35:00,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (1/1) ... [2024-11-14 05:35:00,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:35:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:35:00,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:35:00,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:35:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:35:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:35:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:35:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:35:00,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:35:00,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:35:01,037 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:35:01,040 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:35:04,931 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:35:04,932 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:35:04,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:35:04,943 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:35:04,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:04 BoogieIcfgContainer [2024-11-14 05:35:04,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:35:04,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:35:04,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:35:04,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:35:04,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:35:00" (1/3) ... [2024-11-14 05:35:04,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@85a17ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:04, skipping insertion in model container [2024-11-14 05:35:04,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:35:00" (2/3) ... [2024-11-14 05:35:04,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@85a17ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:35:04, skipping insertion in model container [2024-11-14 05:35:04,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:35:04" (3/3) ... [2024-11-14 05:35:04,955 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-38.i [2024-11-14 05:35:04,972 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:35:04,973 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-38.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:35:05,059 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:35:05,070 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;@2d4f2585, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:35:05,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:35:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:35:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-14 05:35:05,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:05,087 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:05,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:05,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:05,096 INFO L85 PathProgramCache]: Analyzing trace with hash -44824817, now seen corresponding path program 1 times [2024-11-14 05:35:05,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:05,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076407193] [2024-11-14 05:35:05,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:05,107 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 05:35:05,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:05,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:05,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:05,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:35:05,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-14 05:35:05,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:05,733 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:05,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076407193] [2024-11-14 05:35:05,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076407193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:05,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:05,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:35:05,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589146583] [2024-11-14 05:35:05,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:05,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:35:05,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:05,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:35:05,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:35:05,769 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 05:35:05,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:05,811 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2024-11-14 05:35:05,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:35:05,813 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 138 [2024-11-14 05:35:05,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:05,821 INFO L225 Difference]: With dead ends: 121 [2024-11-14 05:35:05,822 INFO L226 Difference]: Without dead ends: 60 [2024-11-14 05:35:05,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 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 05:35:05,831 INFO L432 NwaCegarLoop]: 90 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, 90 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 05:35:05,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:35:05,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-14 05:35:05,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-14 05:35:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:35:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-11-14 05:35:05,886 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 138 [2024-11-14 05:35:05,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:05,886 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-11-14 05:35:05,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 05:35:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-11-14 05:35:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-14 05:35:05,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:05,894 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:05,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:06,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:06,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:06,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:06,095 INFO L85 PathProgramCache]: Analyzing trace with hash 140633477, now seen corresponding path program 1 times [2024-11-14 05:35:06,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:06,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795459658] [2024-11-14 05:35:06,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:06,097 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 05:35:06,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:06,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:06,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:06,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:35:06,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:35:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:35:07,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:35:07,956 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:35:07,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795459658] [2024-11-14 05:35:07,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795459658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:35:07,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:35:07,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:35:07,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292162223] [2024-11-14 05:35:07,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:35:07,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:35:07,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:35:07,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:35:07,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:35:07,959 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:35:10,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:35:11,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:35:14,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:35:16,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:35:16,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:35:16,177 INFO L93 Difference]: Finished difference Result 267 states and 404 transitions. [2024-11-14 05:35:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:35:16,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 138 [2024-11-14 05:35:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:35:16,181 INFO L225 Difference]: With dead ends: 267 [2024-11-14 05:35:16,181 INFO L226 Difference]: Without dead ends: 210 [2024-11-14 05:35:16,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:35:16,183 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 151 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 45 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:35:16,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 474 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 8.0s Time] [2024-11-14 05:35:16,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-14 05:35:16,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 115. [2024-11-14 05:35:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 68 states have internal predecessors, (87), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-14 05:35:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 175 transitions. [2024-11-14 05:35:16,232 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 175 transitions. Word has length 138 [2024-11-14 05:35:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:35:16,233 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 175 transitions. [2024-11-14 05:35:16,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:35:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 175 transitions. [2024-11-14 05:35:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 05:35:16,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:35:16,239 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:35:16,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-14 05:35:16,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:16,440 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:35:16,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:35:16,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1792292195, now seen corresponding path program 1 times [2024-11-14 05:35:16,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:35:16,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926382879] [2024-11-14 05:35:16,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:35:16,441 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 05:35:16,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:35:16,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:16,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16acf0e9-2928-40c3-97d7-e9d29b2b8139/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 05:35:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:35:16,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 05:35:16,973 INFO L278 TraceCheckSpWp]: Computing forward predicates...